diff --git a/package.json b/package.json
index b52536af..8c872a41 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "test:watch:test-app": "pnpm --filter test-app test:watch"
   },
   "devDependencies": {
-    "concurrently": "8.2.2",
+    "concurrently": "9.0.1",
     "release-plan": "^0.9.0"
   },
   "packageManager": "pnpm@9.11.0",
diff --git a/packages/ember-cookies/package.json b/packages/ember-cookies/package.json
index 22af22d8..f355047e 100644
--- a/packages/ember-cookies/package.json
+++ b/packages/ember-cookies/package.json
@@ -64,7 +64,7 @@
     "@eslint/js": "9.11.0",
     "@rollup/plugin-babel": "6.0.4",
     "@types/ember": "4.0.11",
-    "concurrently": "8.2.2",
+    "concurrently": "9.0.1",
     "eslint": "9.11.0",
     "eslint-config-prettier": "9.1.0",
     "eslint-plugin-ember": "12.2.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 8441e9b3..a82db7d0 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -9,8 +9,8 @@ importers:
   .:
     devDependencies:
       concurrently:
-        specifier: 8.2.2
-        version: 8.2.2
+        specifier: 9.0.1
+        version: 9.0.1
       release-plan:
         specifier: ^0.9.0
         version: 0.9.2(encoding@0.1.13)
@@ -49,8 +49,8 @@ importers:
         specifier: 4.0.11
         version: 4.0.11(@babel/core@7.25.2)
       concurrently:
-        specifier: 8.2.2
-        version: 8.2.2
+        specifier: 9.0.1
+        version: 9.0.1
       eslint:
         specifier: 9.11.0
         version: 9.11.0
@@ -2320,9 +2320,9 @@ packages:
   concat-map@0.0.1:
     resolution: {integrity: sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg==}
 
-  concurrently@8.2.2:
-    resolution: {integrity: sha512-1dP4gpXFhei8IOtlXRE/T/4H88ElHgTiUzh71YUmtjTEHMSRS2Z/fgOxHSxxusGHogsRfxNq1vyAwxSC+EVyDg==}
-    engines: {node: ^14.13.0 || >=16.0.0}
+  concurrently@9.0.1:
+    resolution: {integrity: sha512-wYKvCd/f54sTXJMSfV6Ln/B8UrfLBKOYa+lzc6CHay3Qek+LorVSBdMVfyewFhRbH0Rbabsk4D+3PL/VjQ5gzg==}
+    engines: {node: '>=18'}
     hasBin: true
 
   config-chain@1.1.13:
@@ -2638,10 +2638,6 @@ packages:
     resolution: {integrity: sha512-t/Ygsytq+R995EJ5PZlD4Cu56sWa8InXySaViRzw9apusqsOO2bQP+SbYzAhR0pFKoB+43lYy8rWban9JSuXnA==}
     engines: {node: '>= 0.4'}
 
-  date-fns@2.30.0:
-    resolution: {integrity: sha512-fnULvOpxnC5/Vg3NCiWelDsLiUc9bRwAPs/+LfTLNvetFCtCTN+yQz15C/fs4AwX1R9K5GLtLfn8QW+dWisaAw==}
-    engines: {node: '>=0.11'}
-
   debug@2.6.9:
     resolution: {integrity: sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==}
     peerDependencies:
@@ -5774,9 +5770,6 @@ packages:
   spawn-args@0.2.0:
     resolution: {integrity: sha512-73BoniQDcRWgnLAf/suKH6V5H54gd1KLzwYN9FB6J/evqTV33htH9xwV/4BHek+++jzxpVlZQKKZkqstPQPmQg==}
 
-  spawn-command@0.0.2:
-    resolution: {integrity: sha512-zC8zGoGkmc8J9ndvml8Xksr1Amk9qBujgbF0JAIWO7kXr43w0h/0GJNM/Vustixu+YE8N/MTrQ7N31FvHUACxQ==}
-
   spdx-correct@3.2.0:
     resolution: {integrity: sha512-kN9dJbvnySHULIluDHy32WHRUu3Og7B9sbY7tsFLctQkIqnMh3hErYgdMjTYuqmcXX+lK5T1lnUt3G7zNswmZA==}
 
@@ -9536,14 +9529,12 @@ snapshots:
 
   concat-map@0.0.1: {}
 
-  concurrently@8.2.2:
+  concurrently@9.0.1:
     dependencies:
       chalk: 4.1.2
-      date-fns: 2.30.0
       lodash: 4.17.21
       rxjs: 7.8.1
       shell-quote: 1.8.1
-      spawn-command: 0.0.2
       supports-color: 8.1.1
       tree-kill: 1.2.2
       yargs: 17.7.2
@@ -9718,10 +9709,6 @@ snapshots:
       es-errors: 1.3.0
       is-data-view: 1.0.1
 
-  date-fns@2.30.0:
-    dependencies:
-      '@babel/runtime': 7.25.6
-
   debug@2.6.9:
     dependencies:
       ms: 2.0.0
@@ -13723,8 +13710,6 @@ snapshots:
 
   spawn-args@0.2.0: {}
 
-  spawn-command@0.0.2: {}
-
   spdx-correct@3.2.0:
     dependencies:
       spdx-expression-parse: 3.0.1