diff --git a/packages/test-app/package.json b/packages/test-app/package.json
index c5d12a9a..b0d2d87c 100644
--- a/packages/test-app/package.json
+++ b/packages/test-app/package.json
@@ -43,7 +43,7 @@
     "ember-maybe-import-regenerator": "1.0.0",
     "ember-promise-modals": "4.1.0",
     "ember-qunit": "8.0.2",
-    "ember-resolver": "8.1.0",
+    "ember-resolver": "12.0.1",
     "ember-source": "4.12.4",
     "ember-source-channel-url": "3.0.0",
     "ember-template-lint": "6.0.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 165c7e2e..603f8d35 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -163,8 +163,8 @@ importers:
         specifier: 8.0.2
         version: 8.0.2(@ember/test-helpers@3.2.1)(ember-source@4.12.4)(qunit@2.21.0)
       ember-resolver:
-        specifier: 8.1.0
-        version: 8.1.0
+        specifier: 12.0.1
+        version: 12.0.1(ember-source@4.12.4)
       ember-source:
         specifier: 4.12.4
         version: 4.12.4(@babel/core@7.24.7)(@glimmer/component@1.1.2)(webpack@5.91.0)
@@ -6443,18 +6443,18 @@ packages:
       - supports-color
     dev: true
 
-  /ember-resolver@8.1.0:
-    resolution: {integrity: sha512-MGD7X2ztZVswGqs1mLgzhZJRhG7XiF6Mg4DgC7xJFWRYQQUHyGJpGdNWY9nXyrYnRIsCrQoL1do41zpxbrB/cg==}
-    engines: {node: '>= 10.*'}
+  /ember-resolver@12.0.1(ember-source@4.12.4):
+    resolution: {integrity: sha512-U+ZBdbEHMhmvcZly1xhZKwqeH5/igjT93p9bbD6x+mQVg7hm4jrsQA4jsxHu3BqgL5MmqOVx0gtAuYEWV1x2MQ==}
+    engines: {node: 14.* || 16.* || >= 18}
+    peerDependencies:
+      ember-source: ^4.12.0 || >= 5.0.0
+    peerDependenciesMeta:
+      ember-source:
+        optional: true
     dependencies:
-      babel-plugin-debug-macros: 0.3.4(@babel/core@7.24.7)
-      broccoli-funnel: 3.0.8
-      broccoli-merge-trees: 4.2.0
       ember-cli-babel: 7.26.11
-      ember-cli-version-checker: 5.1.2
-      resolve: 1.22.8
+      ember-source: 4.12.4(@babel/core@7.24.7)(@glimmer/component@1.1.2)(webpack@5.91.0)
     transitivePeerDependencies:
-      - '@babel/core'
       - supports-color
     dev: true