diff --git a/package.json b/package.json
index c87b960..4853647 100644
--- a/package.json
+++ b/package.json
@@ -111,7 +111,7 @@
     "@typescript-eslint/eslint-plugin": "^7.0.0",
     "@typescript-eslint/parser": "^6.9.1",
     "broccoli-asset-rev": "^3.0.0",
-    "concurrently": "^8.2.2",
+    "concurrently": "^9.0.1",
     "ember-cli": "~5.4.2",
     "ember-cli-clean-css": "^3.0.0",
     "ember-cli-dependency-checker": "^3.3.2",
diff --git a/yarn.lock b/yarn.lock
index aa658c2..24cb043 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4017,17 +4017,15 @@ concat-map@0.0.1:
   resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
   integrity sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg==
 
-concurrently@^8.2.2:
-  version "8.2.2"
-  resolved "https://registry.yarnpkg.com/concurrently/-/concurrently-8.2.2.tgz#353141985c198cfa5e4a3ef90082c336b5851784"
-  integrity sha512-1dP4gpXFhei8IOtlXRE/T/4H88ElHgTiUzh71YUmtjTEHMSRS2Z/fgOxHSxxusGHogsRfxNq1vyAwxSC+EVyDg==
+concurrently@^9.0.1:
+  version "9.0.1"
+  resolved "https://registry.yarnpkg.com/concurrently/-/concurrently-9.0.1.tgz#01e171bf6c7af0c022eb85daef95bff04d8185aa"
+  integrity sha512-wYKvCd/f54sTXJMSfV6Ln/B8UrfLBKOYa+lzc6CHay3Qek+LorVSBdMVfyewFhRbH0Rbabsk4D+3PL/VjQ5gzg==
   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"
@@ -9861,11 +9859,6 @@ spawn-args@^0.2.0:
   resolved "https://registry.yarnpkg.com/spawn-args/-/spawn-args-0.2.0.tgz#fb7d0bd1d70fd4316bd9e3dec389e65f9d6361bb"
   integrity sha512-73BoniQDcRWgnLAf/suKH6V5H54gd1KLzwYN9FB6J/evqTV33htH9xwV/4BHek+++jzxpVlZQKKZkqstPQPmQg==
 
-spawn-command@0.0.2:
-  version "0.0.2"
-  resolved "https://registry.yarnpkg.com/spawn-command/-/spawn-command-0.0.2.tgz#9544e1a43ca045f8531aac1a48cb29bdae62338e"
-  integrity sha512-zC8zGoGkmc8J9ndvml8Xksr1Amk9qBujgbF0JAIWO7kXr43w0h/0GJNM/Vustixu+YE8N/MTrQ7N31FvHUACxQ==
-
 spdx-correct@^3.0.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/spdx-correct/-/spdx-correct-3.2.0.tgz#4f5ab0668f0059e34f9c00dce331784a12de4e9c"