diff --git a/package.json b/package.json
index 1f70cf661..660f9f348 100644
--- a/package.json
+++ b/package.json
@@ -140,7 +140,7 @@
     "fast-glob": "^3.3.1",
     "memfs": "^4.46.1",
     "mocha": "11.7.5",
-    "npm-run-all2": "^8",
+    "npm-run-all2": "^9",
     "rimraf": "^6",
     "ts-loader": "9.5.4",
     "typescript": "5.9.3",