diff --git a/tests/fixtures/ember-container-query-customizations/output/package.json b/tests/fixtures/ember-container-query-customizations/output/package.json
index 5c2ef267..3cb0cbd5 100644
--- a/tests/fixtures/ember-container-query-customizations/output/package.json
+++ b/tests/fixtures/ember-container-query-customizations/output/package.json
@@ -14,7 +14,7 @@
     "lint": "yarn workspaces run lint",
     "lint:fix": "yarn workspaces run lint:fix",
     "prepare": "yarn build",
-    "start": "concurrently 'npm:start:*' --restart-after 5000 --prefix-colors cyan,white,yellow",
+    "start": "concurrently 'yarn:start:*' --restart-after 5000 --prefix-colors cyan,white,yellow",
     "start:addon": "yarn workspace ember-container-query run start",
     "start:test-app": "yarn workspace demo-app-for-ember-container-query run start",
     "test": "yarn workspaces run test"
diff --git a/tests/fixtures/ember-container-query-customizations/output/packages/ember-container-query/package.json b/tests/fixtures/ember-container-query-customizations/output/packages/ember-container-query/package.json
index 12d85358..51c6bbdf 100644
--- a/tests/fixtures/ember-container-query-customizations/output/packages/ember-container-query/package.json
+++ b/tests/fixtures/ember-container-query-customizations/output/packages/ember-container-query/package.json
@@ -24,18 +24,18 @@
     "test": "tests"
   },
   "scripts": {
-    "build": "concurrently \"npm:build:*\"",
+    "build": "concurrently \"yarn:build:*\"",
     "build:js": "rollup --config",
     "build:types": "glint --declaration",
-    "lint": "concurrently 'npm:lint:*(!fix)' --names 'lint:'",
-    "lint:fix": "concurrently 'npm:lint:*:fix' --names 'fix:'",
+    "lint": "concurrently 'yarn:lint:*(!fix)' --names 'lint:'",
+    "lint:fix": "concurrently 'yarn:lint:*:fix' --names 'fix:'",
     "lint:hbs": "ember-template-lint . --no-error-on-unmatched-pattern",
     "lint:hbs:fix": "ember-template-lint . --fix --no-error-on-unmatched-pattern",
     "lint:js": "eslint . --cache",
     "lint:js:fix": "eslint . --fix",
     "lint:types": "glint",
-    "prepack": "concurrently 'npm:build:*'",
-    "start": "concurrently \"npm:start:*\"",
+    "prepack": "concurrently 'yarn:build:*'",
+    "start": "concurrently \"yarn:start:*\"",
     "start:js": "rollup --config --watch --no-watch.clearScreen",
     "start:types": "glint --declaration --watch",
     "test": "echo 'A v2 addon does not have tests, run tests in demo-app'"
diff --git a/tests/fixtures/ember-container-query-glint/output/ember-container-query/package.json b/tests/fixtures/ember-container-query-glint/output/ember-container-query/package.json
index e81d4ec8..4728ac9f 100644
--- a/tests/fixtures/ember-container-query-glint/output/ember-container-query/package.json
+++ b/tests/fixtures/ember-container-query-glint/output/ember-container-query/package.json
@@ -24,18 +24,18 @@
     "test": "tests"
   },
   "scripts": {
-    "build": "concurrently \"npm:build:*\"",
+    "build": "concurrently \"yarn:build:*\"",
     "build:js": "rollup --config",
     "build:types": "glint --declaration",
-    "lint": "concurrently 'npm:lint:*(!fix)' --names 'lint:'",
-    "lint:fix": "concurrently 'npm:lint:*:fix' --names 'fix:'",
+    "lint": "concurrently 'yarn:lint:*(!fix)' --names 'lint:'",
+    "lint:fix": "concurrently 'yarn:lint:*:fix' --names 'fix:'",
     "lint:hbs": "ember-template-lint . --no-error-on-unmatched-pattern",
     "lint:hbs:fix": "ember-template-lint . --fix --no-error-on-unmatched-pattern",
     "lint:js": "eslint . --cache",
     "lint:js:fix": "eslint . --fix",
     "lint:types": "glint",
-    "prepack": "concurrently 'npm:build:*'",
-    "start": "concurrently \"npm:start:*\"",
+    "prepack": "concurrently 'yarn:build:*'",
+    "start": "concurrently \"yarn:start:*\"",
     "start:js": "rollup --config --watch --no-watch.clearScreen",
     "start:types": "glint --declaration --watch",
     "test": "echo 'A v2 addon does not have tests, run tests in test-app'"
diff --git a/tests/fixtures/ember-container-query-glint/output/package.json b/tests/fixtures/ember-container-query-glint/output/package.json
index 72a3288b..cec3db55 100644
--- a/tests/fixtures/ember-container-query-glint/output/package.json
+++ b/tests/fixtures/ember-container-query-glint/output/package.json
@@ -14,7 +14,7 @@
     "lint": "yarn workspaces run lint",
     "lint:fix": "yarn workspaces run lint:fix",
     "prepare": "yarn build",
-    "start": "concurrently 'npm:start:*' --restart-after 5000 --prefix-colors cyan,white,yellow",
+    "start": "concurrently 'yarn:start:*' --restart-after 5000 --prefix-colors cyan,white,yellow",
     "start:addon": "yarn workspace ember-container-query run start",
     "start:test-app": "yarn workspace test-app run start",
     "test": "yarn workspaces run test"
diff --git a/tests/fixtures/ember-container-query-javascript/output/ember-container-query/package.json b/tests/fixtures/ember-container-query-javascript/output/ember-container-query/package.json
index dece2068..04187d2c 100644
--- a/tests/fixtures/ember-container-query-javascript/output/ember-container-query/package.json
+++ b/tests/fixtures/ember-container-query-javascript/output/ember-container-query/package.json
@@ -25,8 +25,8 @@
   },
   "scripts": {
     "build": "rollup --config",
-    "lint": "concurrently 'npm:lint:*(!fix)' --names 'lint:'",
-    "lint:fix": "concurrently 'npm:lint:*:fix' --names 'fix:'",
+    "lint": "concurrently 'yarn:lint:*(!fix)' --names 'lint:'",
+    "lint:fix": "concurrently 'yarn:lint:*:fix' --names 'fix:'",
     "lint:hbs": "ember-template-lint . --no-error-on-unmatched-pattern",
     "lint:hbs:fix": "ember-template-lint . --fix --no-error-on-unmatched-pattern",
     "lint:js": "eslint . --cache",
diff --git a/tests/fixtures/ember-container-query-javascript/output/package.json b/tests/fixtures/ember-container-query-javascript/output/package.json
index 72a3288b..cec3db55 100644
--- a/tests/fixtures/ember-container-query-javascript/output/package.json
+++ b/tests/fixtures/ember-container-query-javascript/output/package.json
@@ -14,7 +14,7 @@
     "lint": "yarn workspaces run lint",
     "lint:fix": "yarn workspaces run lint:fix",
     "prepare": "yarn build",
-    "start": "concurrently 'npm:start:*' --restart-after 5000 --prefix-colors cyan,white,yellow",
+    "start": "concurrently 'yarn:start:*' --restart-after 5000 --prefix-colors cyan,white,yellow",
     "start:addon": "yarn workspace ember-container-query run start",
     "start:test-app": "yarn workspace test-app run start",
     "test": "yarn workspaces run test"
diff --git a/tests/fixtures/ember-container-query-scoped/output/ember-container-query/package.json b/tests/fixtures/ember-container-query-scoped/output/ember-container-query/package.json
index 35db7c65..939430f5 100644
--- a/tests/fixtures/ember-container-query-scoped/output/ember-container-query/package.json
+++ b/tests/fixtures/ember-container-query-scoped/output/ember-container-query/package.json
@@ -24,18 +24,18 @@
     "test": "tests"
   },
   "scripts": {
-    "build": "concurrently \"npm:build:*\"",
+    "build": "concurrently \"yarn:build:*\"",
     "build:js": "rollup --config",
     "build:types": "glint --declaration",
-    "lint": "concurrently 'npm:lint:*(!fix)' --names 'lint:'",
-    "lint:fix": "concurrently 'npm:lint:*:fix' --names 'fix:'",
+    "lint": "concurrently 'yarn:lint:*(!fix)' --names 'lint:'",
+    "lint:fix": "concurrently 'yarn:lint:*:fix' --names 'fix:'",
     "lint:hbs": "ember-template-lint . --no-error-on-unmatched-pattern",
     "lint:hbs:fix": "ember-template-lint . --fix --no-error-on-unmatched-pattern",
     "lint:js": "eslint . --cache",
     "lint:js:fix": "eslint . --fix",
     "lint:types": "glint",
-    "prepack": "concurrently 'npm:build:*'",
-    "start": "concurrently \"npm:start:*\"",
+    "prepack": "concurrently 'yarn:build:*'",
+    "start": "concurrently \"yarn:start:*\"",
     "start:js": "rollup --config --watch --no-watch.clearScreen",
     "start:types": "glint --declaration --watch",
     "test": "echo 'A v2 addon does not have tests, run tests in test-app'"
diff --git a/tests/fixtures/ember-container-query-scoped/output/package.json b/tests/fixtures/ember-container-query-scoped/output/package.json
index 4eb52322..e0419dc7 100644
--- a/tests/fixtures/ember-container-query-scoped/output/package.json
+++ b/tests/fixtures/ember-container-query-scoped/output/package.json
@@ -14,7 +14,7 @@
     "lint": "yarn workspaces run lint",
     "lint:fix": "yarn workspaces run lint:fix",
     "prepare": "yarn build",
-    "start": "concurrently 'npm:start:*' --restart-after 5000 --prefix-colors cyan,white,yellow",
+    "start": "concurrently 'yarn:start:*' --restart-after 5000 --prefix-colors cyan,white,yellow",
     "start:addon": "yarn workspace @ijlee2/ember-container-query run start",
     "start:test-app": "yarn workspace test-app run start",
     "test": "yarn workspaces run test"
diff --git a/tests/fixtures/ember-container-query-typescript/output/ember-container-query/package.json b/tests/fixtures/ember-container-query-typescript/output/ember-container-query/package.json
index 4b8281a8..166b1052 100644
--- a/tests/fixtures/ember-container-query-typescript/output/ember-container-query/package.json
+++ b/tests/fixtures/ember-container-query-typescript/output/ember-container-query/package.json
@@ -24,18 +24,18 @@
     "test": "tests"
   },
   "scripts": {
-    "build": "concurrently \"npm:build:*\"",
+    "build": "concurrently \"yarn:build:*\"",
     "build:js": "rollup --config",
     "build:types": "tsc",
-    "lint": "concurrently 'npm:lint:*(!fix)' --names 'lint:'",
-    "lint:fix": "concurrently 'npm:lint:*:fix' --names 'fix:'",
+    "lint": "concurrently 'yarn:lint:*(!fix)' --names 'lint:'",
+    "lint:fix": "concurrently 'yarn:lint:*:fix' --names 'fix:'",
     "lint:hbs": "ember-template-lint . --no-error-on-unmatched-pattern",
     "lint:hbs:fix": "ember-template-lint . --fix --no-error-on-unmatched-pattern",
     "lint:js": "eslint . --cache",
     "lint:js:fix": "eslint . --fix",
     "lint:types": "tsc --emitDeclarationOnly false --noEmit",
-    "prepack": "concurrently 'npm:build:*'",
-    "start": "concurrently \"npm:start:*\"",
+    "prepack": "concurrently 'yarn:build:*'",
+    "start": "concurrently \"yarn:start:*\"",
     "start:js": "rollup --config --watch --no-watch.clearScreen",
     "start:types": "tsc --watch",
     "test": "echo 'A v2 addon does not have tests, run tests in test-app'"
diff --git a/tests/fixtures/ember-container-query-typescript/output/package.json b/tests/fixtures/ember-container-query-typescript/output/package.json
index 72a3288b..cec3db55 100644
--- a/tests/fixtures/ember-container-query-typescript/output/package.json
+++ b/tests/fixtures/ember-container-query-typescript/output/package.json
@@ -14,7 +14,7 @@
     "lint": "yarn workspaces run lint",
     "lint:fix": "yarn workspaces run lint:fix",
     "prepare": "yarn build",
-    "start": "concurrently 'npm:start:*' --restart-after 5000 --prefix-colors cyan,white,yellow",
+    "start": "concurrently 'yarn:start:*' --restart-after 5000 --prefix-colors cyan,white,yellow",
     "start:addon": "yarn workspace ember-container-query run start",
     "start:test-app": "yarn workspace test-app run start",
     "test": "yarn workspaces run test"
diff --git a/tests/fixtures/new-v1-addon-customizations/output/package.json b/tests/fixtures/new-v1-addon-customizations/output/package.json
index 8a4adeea..c0721a5f 100644
--- a/tests/fixtures/new-v1-addon-customizations/output/package.json
+++ b/tests/fixtures/new-v1-addon-customizations/output/package.json
@@ -14,7 +14,7 @@
     "lint": "yarn workspaces run lint",
     "lint:fix": "yarn workspaces run lint:fix",
     "prepare": "yarn build",
-    "start": "concurrently 'npm:start:*' --restart-after 5000 --prefix-colors cyan,white,yellow",
+    "start": "concurrently 'yarn:start:*' --restart-after 5000 --prefix-colors cyan,white,yellow",
     "start:addon": "yarn workspace new-v1-addon run start",
     "start:test-app": "yarn workspace demo-app-for-new-v1-addon run start",
     "test": "yarn workspaces run test"
diff --git a/tests/fixtures/new-v1-addon-customizations/output/packages/new-v1-addon/package.json b/tests/fixtures/new-v1-addon-customizations/output/packages/new-v1-addon/package.json
index 0ac07efc..1667b09b 100644
--- a/tests/fixtures/new-v1-addon-customizations/output/packages/new-v1-addon/package.json
+++ b/tests/fixtures/new-v1-addon-customizations/output/packages/new-v1-addon/package.json
@@ -13,18 +13,18 @@
     "test": "tests"
   },
   "scripts": {
-    "build": "concurrently \"npm:build:*\"",
+    "build": "concurrently \"yarn:build:*\"",
     "build:js": "rollup --config",
     "build:types": "tsc",
-    "lint": "concurrently 'npm:lint:*(!fix)' --names 'lint:'",
-    "lint:fix": "concurrently 'npm:lint:*:fix' --names 'fix:'",
+    "lint": "concurrently 'yarn:lint:*(!fix)' --names 'lint:'",
+    "lint:fix": "concurrently 'yarn:lint:*:fix' --names 'fix:'",
     "lint:hbs": "ember-template-lint . --no-error-on-unmatched-pattern",
     "lint:hbs:fix": "ember-template-lint . --fix --no-error-on-unmatched-pattern",
     "lint:js": "eslint . --cache",
     "lint:js:fix": "eslint . --fix",
     "lint:types": "tsc --emitDeclarationOnly false --noEmit",
-    "prepack": "concurrently 'npm:build:*'",
-    "start": "concurrently \"npm:start:*\"",
+    "prepack": "concurrently 'yarn:build:*'",
+    "start": "concurrently \"yarn:start:*\"",
     "start:js": "rollup --config --watch --no-watch.clearScreen",
     "start:types": "tsc --watch",
     "test": "echo 'A v2 addon does not have tests, run tests in demo-app'"
diff --git a/tests/fixtures/new-v1-addon-javascript/output/new-v1-addon/package.json b/tests/fixtures/new-v1-addon-javascript/output/new-v1-addon/package.json
index aa156392..82e7e427 100644
--- a/tests/fixtures/new-v1-addon-javascript/output/new-v1-addon/package.json
+++ b/tests/fixtures/new-v1-addon-javascript/output/new-v1-addon/package.json
@@ -14,8 +14,8 @@
   },
   "scripts": {
     "build": "rollup --config",
-    "lint": "concurrently 'npm:lint:*(!fix)' --names 'lint:'",
-    "lint:fix": "concurrently 'npm:lint:*:fix' --names 'fix:'",
+    "lint": "concurrently 'yarn:lint:*(!fix)' --names 'lint:'",
+    "lint:fix": "concurrently 'yarn:lint:*:fix' --names 'fix:'",
     "lint:hbs": "ember-template-lint . --no-error-on-unmatched-pattern",
     "lint:hbs:fix": "ember-template-lint . --fix --no-error-on-unmatched-pattern",
     "lint:js": "eslint . --cache",
diff --git a/tests/fixtures/new-v1-addon-javascript/output/package.json b/tests/fixtures/new-v1-addon-javascript/output/package.json
index fee02fbc..d5b3b19a 100644
--- a/tests/fixtures/new-v1-addon-javascript/output/package.json
+++ b/tests/fixtures/new-v1-addon-javascript/output/package.json
@@ -14,7 +14,7 @@
     "lint": "yarn workspaces run lint",
     "lint:fix": "yarn workspaces run lint:fix",
     "prepare": "yarn build",
-    "start": "concurrently 'npm:start:*' --restart-after 5000 --prefix-colors cyan,white,yellow",
+    "start": "concurrently 'yarn:start:*' --restart-after 5000 --prefix-colors cyan,white,yellow",
     "start:addon": "yarn workspace new-v1-addon run start",
     "start:test-app": "yarn workspace test-app run start",
     "test": "yarn workspaces run test"
diff --git a/tests/fixtures/new-v1-addon-pnpm/output/new-v1-addon/package.json b/tests/fixtures/new-v1-addon-pnpm/output/new-v1-addon/package.json
index aa156392..7cd9a320 100644
--- a/tests/fixtures/new-v1-addon-pnpm/output/new-v1-addon/package.json
+++ b/tests/fixtures/new-v1-addon-pnpm/output/new-v1-addon/package.json
@@ -14,8 +14,8 @@
   },
   "scripts": {
     "build": "rollup --config",
-    "lint": "concurrently 'npm:lint:*(!fix)' --names 'lint:'",
-    "lint:fix": "concurrently 'npm:lint:*:fix' --names 'fix:'",
+    "lint": "concurrently 'pnpm:lint:*(!fix)' --names 'lint:'",
+    "lint:fix": "concurrently 'pnpm:lint:*:fix' --names 'fix:'",
     "lint:hbs": "ember-template-lint . --no-error-on-unmatched-pattern",
     "lint:hbs:fix": "ember-template-lint . --fix --no-error-on-unmatched-pattern",
     "lint:js": "eslint . --cache",
diff --git a/tests/fixtures/new-v1-addon-pnpm/output/package.json b/tests/fixtures/new-v1-addon-pnpm/output/package.json
index 00009d21..bbdabb62 100644
--- a/tests/fixtures/new-v1-addon-pnpm/output/package.json
+++ b/tests/fixtures/new-v1-addon-pnpm/output/package.json
@@ -10,7 +10,7 @@
     "lint": "pnpm --filter '*' lint",
     "lint:fix": "pnpm --filter '*' lint:fix",
     "prepare": "pnpm build",
-    "start": "concurrently 'npm:start:*' --restart-after 5000 --prefix-colors cyan,white,yellow",
+    "start": "concurrently 'pnpm:start:*' --restart-after 5000 --prefix-colors cyan,white,yellow",
     "start:addon": "pnpm --filter new-v1-addon start",
     "start:test-app": "pnpm --filter test-app start",
     "test": "pnpm --filter '*' test"
diff --git a/tests/fixtures/new-v1-addon-typescript/output/new-v1-addon/package.json b/tests/fixtures/new-v1-addon-typescript/output/new-v1-addon/package.json
index d691d46a..74164cef 100644
--- a/tests/fixtures/new-v1-addon-typescript/output/new-v1-addon/package.json
+++ b/tests/fixtures/new-v1-addon-typescript/output/new-v1-addon/package.json
@@ -13,18 +13,18 @@
     "test": "tests"
   },
   "scripts": {
-    "build": "concurrently \"npm:build:*\"",
+    "build": "concurrently \"yarn:build:*\"",
     "build:js": "rollup --config",
     "build:types": "tsc",
-    "lint": "concurrently 'npm:lint:*(!fix)' --names 'lint:'",
-    "lint:fix": "concurrently 'npm:lint:*:fix' --names 'fix:'",
+    "lint": "concurrently 'yarn:lint:*(!fix)' --names 'lint:'",
+    "lint:fix": "concurrently 'yarn:lint:*:fix' --names 'fix:'",
     "lint:hbs": "ember-template-lint . --no-error-on-unmatched-pattern",
     "lint:hbs:fix": "ember-template-lint . --fix --no-error-on-unmatched-pattern",
     "lint:js": "eslint . --cache",
     "lint:js:fix": "eslint . --fix",
     "lint:types": "tsc --emitDeclarationOnly false --noEmit",
-    "prepack": "concurrently 'npm:build:*'",
-    "start": "concurrently \"npm:start:*\"",
+    "prepack": "concurrently 'yarn:build:*'",
+    "start": "concurrently \"yarn:start:*\"",
     "start:js": "rollup --config --watch --no-watch.clearScreen",
     "start:types": "tsc --watch",
     "test": "echo 'A v2 addon does not have tests, run tests in test-app'"
diff --git a/tests/fixtures/new-v1-addon-typescript/output/package.json b/tests/fixtures/new-v1-addon-typescript/output/package.json
index fee02fbc..d5b3b19a 100644
--- a/tests/fixtures/new-v1-addon-typescript/output/package.json
+++ b/tests/fixtures/new-v1-addon-typescript/output/package.json
@@ -14,7 +14,7 @@
     "lint": "yarn workspaces run lint",
     "lint:fix": "yarn workspaces run lint:fix",
     "prepare": "yarn build",
-    "start": "concurrently 'npm:start:*' --restart-after 5000 --prefix-colors cyan,white,yellow",
+    "start": "concurrently 'yarn:start:*' --restart-after 5000 --prefix-colors cyan,white,yellow",
     "start:addon": "yarn workspace new-v1-addon run start",
     "start:test-app": "yarn workspace test-app run start",
     "test": "yarn workspaces run test"
diff --git a/tests/fixtures/steps/create-files-from-blueprints/customizations/output/package.json b/tests/fixtures/steps/create-files-from-blueprints/customizations/output/package.json
index 5c2ef267..3cb0cbd5 100644
--- a/tests/fixtures/steps/create-files-from-blueprints/customizations/output/package.json
+++ b/tests/fixtures/steps/create-files-from-blueprints/customizations/output/package.json
@@ -14,7 +14,7 @@
     "lint": "yarn workspaces run lint",
     "lint:fix": "yarn workspaces run lint:fix",
     "prepare": "yarn build",
-    "start": "concurrently 'npm:start:*' --restart-after 5000 --prefix-colors cyan,white,yellow",
+    "start": "concurrently 'yarn:start:*' --restart-after 5000 --prefix-colors cyan,white,yellow",
     "start:addon": "yarn workspace ember-container-query run start",
     "start:test-app": "yarn workspace demo-app-for-ember-container-query run start",
     "test": "yarn workspaces run test"
diff --git a/tests/fixtures/steps/create-files-from-blueprints/glint/output/package.json b/tests/fixtures/steps/create-files-from-blueprints/glint/output/package.json
index 72a3288b..cec3db55 100644
--- a/tests/fixtures/steps/create-files-from-blueprints/glint/output/package.json
+++ b/tests/fixtures/steps/create-files-from-blueprints/glint/output/package.json
@@ -14,7 +14,7 @@
     "lint": "yarn workspaces run lint",
     "lint:fix": "yarn workspaces run lint:fix",
     "prepare": "yarn build",
-    "start": "concurrently 'npm:start:*' --restart-after 5000 --prefix-colors cyan,white,yellow",
+    "start": "concurrently 'yarn:start:*' --restart-after 5000 --prefix-colors cyan,white,yellow",
     "start:addon": "yarn workspace ember-container-query run start",
     "start:test-app": "yarn workspace test-app run start",
     "test": "yarn workspaces run test"
diff --git a/tests/fixtures/steps/create-files-from-blueprints/javascript/output/package.json b/tests/fixtures/steps/create-files-from-blueprints/javascript/output/package.json
index 72a3288b..cec3db55 100644
--- a/tests/fixtures/steps/create-files-from-blueprints/javascript/output/package.json
+++ b/tests/fixtures/steps/create-files-from-blueprints/javascript/output/package.json
@@ -14,7 +14,7 @@
     "lint": "yarn workspaces run lint",
     "lint:fix": "yarn workspaces run lint:fix",
     "prepare": "yarn build",
-    "start": "concurrently 'npm:start:*' --restart-after 5000 --prefix-colors cyan,white,yellow",
+    "start": "concurrently 'yarn:start:*' --restart-after 5000 --prefix-colors cyan,white,yellow",
     "start:addon": "yarn workspace ember-container-query run start",
     "start:test-app": "yarn workspace test-app run start",
     "test": "yarn workspaces run test"
diff --git a/tests/fixtures/steps/create-files-from-blueprints/pnpm/output/package.json b/tests/fixtures/steps/create-files-from-blueprints/pnpm/output/package.json
index a45b7688..65cf1993 100644
--- a/tests/fixtures/steps/create-files-from-blueprints/pnpm/output/package.json
+++ b/tests/fixtures/steps/create-files-from-blueprints/pnpm/output/package.json
@@ -10,7 +10,7 @@
     "lint": "pnpm --filter '*' lint",
     "lint:fix": "pnpm --filter '*' lint:fix",
     "prepare": "pnpm build",
-    "start": "concurrently 'npm:start:*' --restart-after 5000 --prefix-colors cyan,white,yellow",
+    "start": "concurrently 'pnpm:start:*' --restart-after 5000 --prefix-colors cyan,white,yellow",
     "start:addon": "pnpm --filter ember-container-query start",
     "start:test-app": "pnpm --filter test-app start",
     "test": "pnpm --filter '*' test"
diff --git a/tests/fixtures/steps/create-files-from-blueprints/scoped/output/package.json b/tests/fixtures/steps/create-files-from-blueprints/scoped/output/package.json
index 4eb52322..e0419dc7 100644
--- a/tests/fixtures/steps/create-files-from-blueprints/scoped/output/package.json
+++ b/tests/fixtures/steps/create-files-from-blueprints/scoped/output/package.json
@@ -14,7 +14,7 @@
     "lint": "yarn workspaces run lint",
     "lint:fix": "yarn workspaces run lint:fix",
     "prepare": "yarn build",
-    "start": "concurrently 'npm:start:*' --restart-after 5000 --prefix-colors cyan,white,yellow",
+    "start": "concurrently 'yarn:start:*' --restart-after 5000 --prefix-colors cyan,white,yellow",
     "start:addon": "yarn workspace @ijlee2/ember-container-query run start",
     "start:test-app": "yarn workspace test-app run start",
     "test": "yarn workspaces run test"
diff --git a/tests/fixtures/steps/create-files-from-blueprints/typescript/output/package.json b/tests/fixtures/steps/create-files-from-blueprints/typescript/output/package.json
index 72a3288b..cec3db55 100644
--- a/tests/fixtures/steps/create-files-from-blueprints/typescript/output/package.json
+++ b/tests/fixtures/steps/create-files-from-blueprints/typescript/output/package.json
@@ -14,7 +14,7 @@
     "lint": "yarn workspaces run lint",
     "lint:fix": "yarn workspaces run lint:fix",
     "prepare": "yarn build",
-    "start": "concurrently 'npm:start:*' --restart-after 5000 --prefix-colors cyan,white,yellow",
+    "start": "concurrently 'yarn:start:*' --restart-after 5000 --prefix-colors cyan,white,yellow",
     "start:addon": "yarn workspace ember-container-query run start",
     "start:test-app": "yarn workspace test-app run start",
     "test": "yarn workspaces run test"
diff --git a/tests/fixtures/steps/update-addon-package-json/blueprints/input/ember-container-query/package.json b/tests/fixtures/steps/update-addon-package-json/blueprints/input/ember-container-query/package.json
index d0f35cf8..45255c2f 100644
--- a/tests/fixtures/steps/update-addon-package-json/blueprints/input/ember-container-query/package.json
+++ b/tests/fixtures/steps/update-addon-package-json/blueprints/input/ember-container-query/package.json
@@ -27,11 +27,11 @@
     "build": "ember build --environment=production",
     "build:test": "ember build --environment=test",
     "changelog": "lerna-changelog",
-    "lint": "concurrently \"npm:lint:*(!fix)\" --names \"lint:\"",
+    "lint": "concurrently \"yarn:lint:*(!fix)\" --names \"lint:\"",
     "lint:css": "stylelint \"tests/dummy/app/**/*.css\" --cache",
     "lint:css:fix": "stylelint \"tests/dummy/app/**/*.css\" --fix",
     "lint:dependency": "ember dependency-lint",
-    "lint:fix": "concurrently \"npm:lint:*:fix\" --names \"fix:\"",
+    "lint:fix": "concurrently \"yarn:lint:*:fix\" --names \"fix:\"",
     "lint:hbs": "ember-template-lint .",
     "lint:hbs:fix": "ember-template-lint . --fix",
     "lint:js": "eslint . --cache --ext=.js,.ts",
diff --git a/tests/fixtures/steps/update-addon-package-json/blueprints/output/ember-container-query/package.json b/tests/fixtures/steps/update-addon-package-json/blueprints/output/ember-container-query/package.json
index 99f1d704..3e0c45ec 100644
--- a/tests/fixtures/steps/update-addon-package-json/blueprints/output/ember-container-query/package.json
+++ b/tests/fixtures/steps/update-addon-package-json/blueprints/output/ember-container-query/package.json
@@ -24,18 +24,18 @@
     "test": "tests"
   },
   "scripts": {
-    "build": "concurrently \"npm:build:*\"",
+    "build": "concurrently \"yarn:build:*\"",
     "build:js": "rollup --config",
     "build:types": "tsc",
-    "lint": "concurrently 'npm:lint:*(!fix)' --names 'lint:'",
-    "lint:fix": "concurrently 'npm:lint:*:fix' --names 'fix:'",
+    "lint": "concurrently 'yarn:lint:*(!fix)' --names 'lint:'",
+    "lint:fix": "concurrently 'yarn:lint:*:fix' --names 'fix:'",
     "lint:hbs": "ember-template-lint . --no-error-on-unmatched-pattern",
     "lint:hbs:fix": "ember-template-lint . --fix --no-error-on-unmatched-pattern",
     "lint:js": "eslint . --cache",
     "lint:js:fix": "eslint . --fix",
     "lint:types": "tsc --emitDeclarationOnly false --noEmit",
-    "prepack": "concurrently 'npm:build:*'",
-    "start": "concurrently \"npm:start:*\"",
+    "prepack": "concurrently 'yarn:build:*'",
+    "start": "concurrently \"yarn:start:*\"",
     "start:js": "rollup --config --watch --no-watch.clearScreen",
     "start:types": "tsc --watch",
     "test": "echo 'A v2 addon does not have tests, run tests in test-app'"
diff --git a/tests/fixtures/steps/update-addon-package-json/customizations/input/packages/ember-container-query/package.json b/tests/fixtures/steps/update-addon-package-json/customizations/input/packages/ember-container-query/package.json
index f92d327f..1a22d4fe 100644
--- a/tests/fixtures/steps/update-addon-package-json/customizations/input/packages/ember-container-query/package.json
+++ b/tests/fixtures/steps/update-addon-package-json/customizations/input/packages/ember-container-query/package.json
@@ -27,11 +27,11 @@
     "build": "ember build --environment=production",
     "build:test": "ember build --environment=test",
     "changelog": "lerna-changelog",
-    "lint": "concurrently \"npm:lint:*(!fix)\" --names \"lint:\"",
+    "lint": "concurrently \"yarn:lint:*(!fix)\" --names \"lint:\"",
     "lint:css": "stylelint \"tests/dummy/app/**/*.css\" --cache",
     "lint:css:fix": "stylelint \"tests/dummy/app/**/*.css\" --fix",
     "lint:dependency": "ember dependency-lint",
-    "lint:fix": "concurrently \"npm:lint:*:fix\" --names \"fix:\"",
+    "lint:fix": "concurrently \"yarn:lint:*:fix\" --names \"fix:\"",
     "lint:hbs": "ember-template-lint .",
     "lint:hbs:fix": "ember-template-lint . --fix",
     "lint:js": "eslint . --cache --ext=.js,.ts",
diff --git a/tests/fixtures/steps/update-addon-package-json/customizations/output/packages/ember-container-query/package.json b/tests/fixtures/steps/update-addon-package-json/customizations/output/packages/ember-container-query/package.json
index 12d85358..51c6bbdf 100644
--- a/tests/fixtures/steps/update-addon-package-json/customizations/output/packages/ember-container-query/package.json
+++ b/tests/fixtures/steps/update-addon-package-json/customizations/output/packages/ember-container-query/package.json
@@ -24,18 +24,18 @@
     "test": "tests"
   },
   "scripts": {
-    "build": "concurrently \"npm:build:*\"",
+    "build": "concurrently \"yarn:build:*\"",
     "build:js": "rollup --config",
     "build:types": "glint --declaration",
-    "lint": "concurrently 'npm:lint:*(!fix)' --names 'lint:'",
-    "lint:fix": "concurrently 'npm:lint:*:fix' --names 'fix:'",
+    "lint": "concurrently 'yarn:lint:*(!fix)' --names 'lint:'",
+    "lint:fix": "concurrently 'yarn:lint:*:fix' --names 'fix:'",
     "lint:hbs": "ember-template-lint . --no-error-on-unmatched-pattern",
     "lint:hbs:fix": "ember-template-lint . --fix --no-error-on-unmatched-pattern",
     "lint:js": "eslint . --cache",
     "lint:js:fix": "eslint . --fix",
     "lint:types": "glint",
-    "prepack": "concurrently 'npm:build:*'",
-    "start": "concurrently \"npm:start:*\"",
+    "prepack": "concurrently 'yarn:build:*'",
+    "start": "concurrently \"yarn:start:*\"",
     "start:js": "rollup --config --watch --no-watch.clearScreen",
     "start:types": "glint --declaration --watch",
     "test": "echo 'A v2 addon does not have tests, run tests in demo-app'"
diff --git a/tests/fixtures/steps/update-addon-package-json/glint/input/ember-container-query/package.json b/tests/fixtures/steps/update-addon-package-json/glint/input/ember-container-query/package.json
index f92d327f..1a22d4fe 100644
--- a/tests/fixtures/steps/update-addon-package-json/glint/input/ember-container-query/package.json
+++ b/tests/fixtures/steps/update-addon-package-json/glint/input/ember-container-query/package.json
@@ -27,11 +27,11 @@
     "build": "ember build --environment=production",
     "build:test": "ember build --environment=test",
     "changelog": "lerna-changelog",
-    "lint": "concurrently \"npm:lint:*(!fix)\" --names \"lint:\"",
+    "lint": "concurrently \"yarn:lint:*(!fix)\" --names \"lint:\"",
     "lint:css": "stylelint \"tests/dummy/app/**/*.css\" --cache",
     "lint:css:fix": "stylelint \"tests/dummy/app/**/*.css\" --fix",
     "lint:dependency": "ember dependency-lint",
-    "lint:fix": "concurrently \"npm:lint:*:fix\" --names \"fix:\"",
+    "lint:fix": "concurrently \"yarn:lint:*:fix\" --names \"fix:\"",
     "lint:hbs": "ember-template-lint .",
     "lint:hbs:fix": "ember-template-lint . --fix",
     "lint:js": "eslint . --cache --ext=.js,.ts",
diff --git a/tests/fixtures/steps/update-addon-package-json/glint/output/ember-container-query/package.json b/tests/fixtures/steps/update-addon-package-json/glint/output/ember-container-query/package.json
index e81d4ec8..4728ac9f 100644
--- a/tests/fixtures/steps/update-addon-package-json/glint/output/ember-container-query/package.json
+++ b/tests/fixtures/steps/update-addon-package-json/glint/output/ember-container-query/package.json
@@ -24,18 +24,18 @@
     "test": "tests"
   },
   "scripts": {
-    "build": "concurrently \"npm:build:*\"",
+    "build": "concurrently \"yarn:build:*\"",
     "build:js": "rollup --config",
     "build:types": "glint --declaration",
-    "lint": "concurrently 'npm:lint:*(!fix)' --names 'lint:'",
-    "lint:fix": "concurrently 'npm:lint:*:fix' --names 'fix:'",
+    "lint": "concurrently 'yarn:lint:*(!fix)' --names 'lint:'",
+    "lint:fix": "concurrently 'yarn:lint:*:fix' --names 'fix:'",
     "lint:hbs": "ember-template-lint . --no-error-on-unmatched-pattern",
     "lint:hbs:fix": "ember-template-lint . --fix --no-error-on-unmatched-pattern",
     "lint:js": "eslint . --cache",
     "lint:js:fix": "eslint . --fix",
     "lint:types": "glint",
-    "prepack": "concurrently 'npm:build:*'",
-    "start": "concurrently \"npm:start:*\"",
+    "prepack": "concurrently 'yarn:build:*'",
+    "start": "concurrently \"yarn:start:*\"",
     "start:js": "rollup --config --watch --no-watch.clearScreen",
     "start:types": "glint --declaration --watch",
     "test": "echo 'A v2 addon does not have tests, run tests in test-app'"
diff --git a/tests/fixtures/steps/update-addon-package-json/javascript/input/ember-container-query/package.json b/tests/fixtures/steps/update-addon-package-json/javascript/input/ember-container-query/package.json
index 2cf13126..560187cc 100644
--- a/tests/fixtures/steps/update-addon-package-json/javascript/input/ember-container-query/package.json
+++ b/tests/fixtures/steps/update-addon-package-json/javascript/input/ember-container-query/package.json
@@ -27,11 +27,11 @@
     "build": "ember build --environment=production",
     "build:test": "ember build --environment=test",
     "changelog": "lerna-changelog",
-    "lint": "concurrently \"npm:lint:*(!fix)\" --names \"lint:\"",
+    "lint": "concurrently \"yarn:lint:*(!fix)\" --names \"lint:\"",
     "lint:css": "stylelint \"tests/dummy/app/**/*.css\" --cache",
     "lint:css:fix": "stylelint \"tests/dummy/app/**/*.css\" --fix",
     "lint:dependency": "ember dependency-lint",
-    "lint:fix": "concurrently \"npm:lint:*:fix\" --names \"fix:\"",
+    "lint:fix": "concurrently \"yarn:lint:*:fix\" --names \"fix:\"",
     "lint:hbs": "ember-template-lint .",
     "lint:hbs:fix": "ember-template-lint . --fix",
     "lint:js": "eslint . --cache",
diff --git a/tests/fixtures/steps/update-addon-package-json/javascript/output/ember-container-query/package.json b/tests/fixtures/steps/update-addon-package-json/javascript/output/ember-container-query/package.json
index dece2068..04187d2c 100644
--- a/tests/fixtures/steps/update-addon-package-json/javascript/output/ember-container-query/package.json
+++ b/tests/fixtures/steps/update-addon-package-json/javascript/output/ember-container-query/package.json
@@ -25,8 +25,8 @@
   },
   "scripts": {
     "build": "rollup --config",
-    "lint": "concurrently 'npm:lint:*(!fix)' --names 'lint:'",
-    "lint:fix": "concurrently 'npm:lint:*:fix' --names 'fix:'",
+    "lint": "concurrently 'yarn:lint:*(!fix)' --names 'lint:'",
+    "lint:fix": "concurrently 'yarn:lint:*:fix' --names 'fix:'",
     "lint:hbs": "ember-template-lint . --no-error-on-unmatched-pattern",
     "lint:hbs:fix": "ember-template-lint . --fix --no-error-on-unmatched-pattern",
     "lint:js": "eslint . --cache",
diff --git a/tests/fixtures/steps/update-addon-package-json/public-assets/input/ember-container-query/package.json b/tests/fixtures/steps/update-addon-package-json/public-assets/input/ember-container-query/package.json
index d0f35cf8..45255c2f 100644
--- a/tests/fixtures/steps/update-addon-package-json/public-assets/input/ember-container-query/package.json
+++ b/tests/fixtures/steps/update-addon-package-json/public-assets/input/ember-container-query/package.json
@@ -27,11 +27,11 @@
     "build": "ember build --environment=production",
     "build:test": "ember build --environment=test",
     "changelog": "lerna-changelog",
-    "lint": "concurrently \"npm:lint:*(!fix)\" --names \"lint:\"",
+    "lint": "concurrently \"yarn:lint:*(!fix)\" --names \"lint:\"",
     "lint:css": "stylelint \"tests/dummy/app/**/*.css\" --cache",
     "lint:css:fix": "stylelint \"tests/dummy/app/**/*.css\" --fix",
     "lint:dependency": "ember dependency-lint",
-    "lint:fix": "concurrently \"npm:lint:*:fix\" --names \"fix:\"",
+    "lint:fix": "concurrently \"yarn:lint:*:fix\" --names \"fix:\"",
     "lint:hbs": "ember-template-lint .",
     "lint:hbs:fix": "ember-template-lint . --fix",
     "lint:js": "eslint . --cache --ext=.js,.ts",
diff --git a/tests/fixtures/steps/update-addon-package-json/public-assets/output/ember-container-query/package.json b/tests/fixtures/steps/update-addon-package-json/public-assets/output/ember-container-query/package.json
index b338647c..940056e0 100644
--- a/tests/fixtures/steps/update-addon-package-json/public-assets/output/ember-container-query/package.json
+++ b/tests/fixtures/steps/update-addon-package-json/public-assets/output/ember-container-query/package.json
@@ -24,18 +24,18 @@
     "test": "tests"
   },
   "scripts": {
-    "build": "concurrently \"npm:build:*\"",
+    "build": "concurrently \"yarn:build:*\"",
     "build:js": "rollup --config",
     "build:types": "tsc",
-    "lint": "concurrently 'npm:lint:*(!fix)' --names 'lint:'",
-    "lint:fix": "concurrently 'npm:lint:*:fix' --names 'fix:'",
+    "lint": "concurrently 'yarn:lint:*(!fix)' --names 'lint:'",
+    "lint:fix": "concurrently 'yarn:lint:*:fix' --names 'fix:'",
     "lint:hbs": "ember-template-lint . --no-error-on-unmatched-pattern",
     "lint:hbs:fix": "ember-template-lint . --fix --no-error-on-unmatched-pattern",
     "lint:js": "eslint . --cache",
     "lint:js:fix": "eslint . --fix",
     "lint:types": "tsc --emitDeclarationOnly false --noEmit",
-    "prepack": "concurrently 'npm:build:*'",
-    "start": "concurrently \"npm:start:*\"",
+    "prepack": "concurrently 'yarn:build:*'",
+    "start": "concurrently \"yarn:start:*\"",
     "start:js": "rollup --config --watch --no-watch.clearScreen",
     "start:types": "tsc --watch",
     "test": "echo 'A v2 addon does not have tests, run tests in test-app'"
diff --git a/tests/fixtures/steps/update-addon-package-json/scoped/input/ember-container-query/package.json b/tests/fixtures/steps/update-addon-package-json/scoped/input/ember-container-query/package.json
index 75bb17a3..6f234a0d 100644
--- a/tests/fixtures/steps/update-addon-package-json/scoped/input/ember-container-query/package.json
+++ b/tests/fixtures/steps/update-addon-package-json/scoped/input/ember-container-query/package.json
@@ -27,11 +27,11 @@
     "build": "ember build --environment=production",
     "build:test": "ember build --environment=test",
     "changelog": "lerna-changelog",
-    "lint": "concurrently \"npm:lint:*(!fix)\" --names \"lint:\"",
+    "lint": "concurrently \"yarn:lint:*(!fix)\" --names \"lint:\"",
     "lint:css": "stylelint \"tests/dummy/app/**/*.css\" --cache",
     "lint:css:fix": "stylelint \"tests/dummy/app/**/*.css\" --fix",
     "lint:dependency": "ember dependency-lint",
-    "lint:fix": "concurrently \"npm:lint:*:fix\" --names \"fix:\"",
+    "lint:fix": "concurrently \"yarn:lint:*:fix\" --names \"fix:\"",
     "lint:hbs": "ember-template-lint .",
     "lint:hbs:fix": "ember-template-lint . --fix",
     "lint:js": "eslint . --cache --ext=.js,.ts",
diff --git a/tests/fixtures/steps/update-addon-package-json/scoped/output/ember-container-query/package.json b/tests/fixtures/steps/update-addon-package-json/scoped/output/ember-container-query/package.json
index 35db7c65..939430f5 100644
--- a/tests/fixtures/steps/update-addon-package-json/scoped/output/ember-container-query/package.json
+++ b/tests/fixtures/steps/update-addon-package-json/scoped/output/ember-container-query/package.json
@@ -24,18 +24,18 @@
     "test": "tests"
   },
   "scripts": {
-    "build": "concurrently \"npm:build:*\"",
+    "build": "concurrently \"yarn:build:*\"",
     "build:js": "rollup --config",
     "build:types": "glint --declaration",
-    "lint": "concurrently 'npm:lint:*(!fix)' --names 'lint:'",
-    "lint:fix": "concurrently 'npm:lint:*:fix' --names 'fix:'",
+    "lint": "concurrently 'yarn:lint:*(!fix)' --names 'lint:'",
+    "lint:fix": "concurrently 'yarn:lint:*:fix' --names 'fix:'",
     "lint:hbs": "ember-template-lint . --no-error-on-unmatched-pattern",
     "lint:hbs:fix": "ember-template-lint . --fix --no-error-on-unmatched-pattern",
     "lint:js": "eslint . --cache",
     "lint:js:fix": "eslint . --fix",
     "lint:types": "glint",
-    "prepack": "concurrently 'npm:build:*'",
-    "start": "concurrently \"npm:start:*\"",
+    "prepack": "concurrently 'yarn:build:*'",
+    "start": "concurrently \"yarn:start:*\"",
     "start:js": "rollup --config --watch --no-watch.clearScreen",
     "start:types": "glint --declaration --watch",
     "test": "echo 'A v2 addon does not have tests, run tests in test-app'"
diff --git a/tests/fixtures/steps/update-addon-package-json/typescript/input/ember-container-query/package.json b/tests/fixtures/steps/update-addon-package-json/typescript/input/ember-container-query/package.json
index d0f35cf8..45255c2f 100644
--- a/tests/fixtures/steps/update-addon-package-json/typescript/input/ember-container-query/package.json
+++ b/tests/fixtures/steps/update-addon-package-json/typescript/input/ember-container-query/package.json
@@ -27,11 +27,11 @@
     "build": "ember build --environment=production",
     "build:test": "ember build --environment=test",
     "changelog": "lerna-changelog",
-    "lint": "concurrently \"npm:lint:*(!fix)\" --names \"lint:\"",
+    "lint": "concurrently \"yarn:lint:*(!fix)\" --names \"lint:\"",
     "lint:css": "stylelint \"tests/dummy/app/**/*.css\" --cache",
     "lint:css:fix": "stylelint \"tests/dummy/app/**/*.css\" --fix",
     "lint:dependency": "ember dependency-lint",
-    "lint:fix": "concurrently \"npm:lint:*:fix\" --names \"fix:\"",
+    "lint:fix": "concurrently \"yarn:lint:*:fix\" --names \"fix:\"",
     "lint:hbs": "ember-template-lint .",
     "lint:hbs:fix": "ember-template-lint . --fix",
     "lint:js": "eslint . --cache --ext=.js,.ts",
diff --git a/tests/fixtures/steps/update-addon-package-json/typescript/output/ember-container-query/package.json b/tests/fixtures/steps/update-addon-package-json/typescript/output/ember-container-query/package.json
index 4b8281a8..166b1052 100644
--- a/tests/fixtures/steps/update-addon-package-json/typescript/output/ember-container-query/package.json
+++ b/tests/fixtures/steps/update-addon-package-json/typescript/output/ember-container-query/package.json
@@ -24,18 +24,18 @@
     "test": "tests"
   },
   "scripts": {
-    "build": "concurrently \"npm:build:*\"",
+    "build": "concurrently \"yarn:build:*\"",
     "build:js": "rollup --config",
     "build:types": "tsc",
-    "lint": "concurrently 'npm:lint:*(!fix)' --names 'lint:'",
-    "lint:fix": "concurrently 'npm:lint:*:fix' --names 'fix:'",
+    "lint": "concurrently 'yarn:lint:*(!fix)' --names 'lint:'",
+    "lint:fix": "concurrently 'yarn:lint:*:fix' --names 'fix:'",
     "lint:hbs": "ember-template-lint . --no-error-on-unmatched-pattern",
     "lint:hbs:fix": "ember-template-lint . --fix --no-error-on-unmatched-pattern",
     "lint:js": "eslint . --cache",
     "lint:js:fix": "eslint . --fix",
     "lint:types": "tsc --emitDeclarationOnly false --noEmit",
-    "prepack": "concurrently 'npm:build:*'",
-    "start": "concurrently \"npm:start:*\"",
+    "prepack": "concurrently 'yarn:build:*'",
+    "start": "concurrently \"yarn:start:*\"",
     "start:js": "rollup --config --watch --no-watch.clearScreen",
     "start:types": "tsc --watch",
     "test": "echo 'A v2 addon does not have tests, run tests in test-app'"