diff --git a/demos/playground/package.json b/demos/playground/package.json
index 0dea295..b852877 100644
--- a/demos/playground/package.json
+++ b/demos/playground/package.json
@@ -70,7 +70,7 @@
     "@types/node": "^20.16.10",
     "@typescript-eslint/eslint-plugin": "^5.62.0",
     "@typescript-eslint/parser": "^5.62.0",
-    "concurrently": "^8.2.2",
+    "concurrently": "^9.1.0",
     "cross-env": "^7.0.3",
     "eslint": "^8.57.1",
     "eslint-config-prettier": "^8.10.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index e6e5402..fcc7d27 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -88,8 +88,8 @@ importers:
         specifier: ^5.62.0
         version: 5.62.0(eslint@8.57.1)(typescript@5.6.2)
       concurrently:
-        specifier: ^8.2.2
-        version: 8.2.2
+        specifier: ^9.1.0
+        version: 9.1.0
       cross-env:
         specifier: ^7.0.3
         version: 7.0.3
@@ -1335,9 +1335,9 @@ 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@9.1.0:
+    resolution: {integrity: sha512-VxkzwMAn4LP7WyMnJNbHN5mKV9L2IbyDjpzemKr99sXNR3GqRNMMHdm7prV1ws9wg7ETj6WUkNOigZVsptwbgg==}
+    engines: {node: '>=18'}
     hasBin: true
 
   confbox@0.1.7:
@@ -1395,10 +1395,6 @@ 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:
@@ -3051,9 +3047,6 @@ packages:
     resolution: {integrity: sha512-UXWMKhLOwVKb728IUtQPXxfYU+usdybtUrK/8uGE8CQMvrhOpwvzDBwj0QhSL7MQc7vIsISBG8VQ8+IDQxpfQA==}
     engines: {node: '>=0.10.0'}
 
-  spawn-command@0.0.2:
-    resolution: {integrity: sha512-zC8zGoGkmc8J9ndvml8Xksr1Amk9qBujgbF0JAIWO7kXr43w0h/0GJNM/Vustixu+YE8N/MTrQ7N31FvHUACxQ==}
-
   split@0.3.3:
     resolution: {integrity: sha512-wD2AeVmxXRBoX44wAycgjVpMhvbwdI2aZjCkvfNcH1YqHQvJVa1duWc73OyVGJUc05fhFaTZeQ/PYsrmyH0JVA==}
 
@@ -4749,14 +4742,12 @@ snapshots:
 
   concat-map@0.0.1: {}
 
-  concurrently@8.2.2:
+  concurrently@9.1.0:
     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
@@ -4819,10 +4810,6 @@ snapshots:
       es-errors: 1.3.0
       is-data-view: 1.0.1
 
-  date-fns@2.30.0:
-    dependencies:
-      '@babel/runtime': 7.25.7
-
   debug@2.6.9:
     dependencies:
       ms: 2.0.0
@@ -6654,8 +6641,6 @@ snapshots:
 
   source-map-js@1.2.1: {}
 
-  spawn-command@0.0.2: {}
-
   split@0.3.3:
     dependencies:
       through: 2.3.8