diff --git a/ember-math-helpers/package.json b/ember-math-helpers/package.json
index 2b0f17cd..8f9a1cb6 100644
--- a/ember-math-helpers/package.json
+++ b/ember-math-helpers/package.json
@@ -50,7 +50,7 @@
     "@types/rsvp": "^4.0.9",
     "@typescript-eslint/eslint-plugin": "^8.18.2",
     "@typescript-eslint/parser": "^8.18.2",
-    "concurrently": "9.1.0",
+    "concurrently": "9.1.1",
     "eslint": "^8.57.1",
     "eslint-config-prettier": "9.1.0",
     "eslint-plugin-decorator-position": "6.0.0",
diff --git a/package.json b/package.json
index c61143f9..bfd067aa 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "test:ember": "pnpm --filter '*' test:ember"
   },
   "devDependencies": {
-    "concurrently": "^9.1.0",
+    "concurrently": "^9.1.1",
     "npm-run-all": "^4.1.5",
     "release-plan": "^0.11.0"
   },
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index c339af5f..7d8dd22f 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -12,8 +12,8 @@ importers:
   .:
     devDependencies:
       concurrently:
-        specifier: ^9.1.0
-        version: 9.1.0
+        specifier: ^9.1.1
+        version: 9.1.1
       npm-run-all:
         specifier: ^4.1.5
         version: 4.1.5
@@ -76,8 +76,8 @@ importers:
         specifier: ^8.18.2
         version: 8.18.2(eslint@8.57.1)(typescript@5.7.2)
       concurrently:
-        specifier: 9.1.0
-        version: 9.1.0
+        specifier: 9.1.1
+        version: 9.1.1
       eslint:
         specifier: ^8.57.1
         version: 8.57.1
@@ -170,8 +170,8 @@ importers:
         specifier: ^3.0.0
         version: 3.0.0
       concurrently:
-        specifier: ^9.1.0
-        version: 9.1.0
+        specifier: ^9.1.1
+        version: 9.1.1
       ember-auto-import:
         specifier: ^2.10.0
         version: 2.10.0(@glint/template@1.5.0)(webpack@5.97.1)
@@ -3460,8 +3460,8 @@ packages:
   concat-map@0.0.1:
     resolution: {integrity: sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg==}
 
-  concurrently@9.1.0:
-    resolution: {integrity: sha512-VxkzwMAn4LP7WyMnJNbHN5mKV9L2IbyDjpzemKr99sXNR3GqRNMMHdm7prV1ws9wg7ETj6WUkNOigZVsptwbgg==}
+  concurrently@9.1.1:
+    resolution: {integrity: sha512-6VX8lrBIycgZKTwBsWS+bLrmkGRkDmvtGsYylRN9b93CygN6CbK46HmnQ3rdSOR8HRjdahDrxb5MqD9cEFOg5Q==}
     engines: {node: '>=18'}
     hasBin: true
 
@@ -14094,7 +14094,7 @@ snapshots:
 
   concat-map@0.0.1: {}
 
-  concurrently@9.1.0:
+  concurrently@9.1.1:
     dependencies:
       chalk: 4.1.2
       lodash: 4.17.21
diff --git a/test-app/package.json b/test-app/package.json
index 8a17c504..f3251e00 100644
--- a/test-app/package.json
+++ b/test-app/package.json
@@ -43,7 +43,7 @@
     "@glimmer/component": "^2.0.0",
     "@glimmer/tracking": "^1.1.2",
     "broccoli-asset-rev": "^3.0.0",
-    "concurrently": "^9.1.0",
+    "concurrently": "^9.1.1",
     "ember-auto-import": "^2.10.0",
     "ember-cli": "~6.0.1",
     "ember-cli-addon-docs": "^8.0.8",