diff --git a/eng/tools/tsp-client-tests/package.json b/eng/tools/tsp-client-tests/package.json
index 0e2cb5c0b6f0..64e010db8915 100644
--- a/eng/tools/tsp-client-tests/package.json
+++ b/eng/tools/tsp-client-tests/package.json
@@ -6,7 +6,7 @@
     "@types/node": "^18.19.31",
     "execa": "^9.3.0",
     "typescript": "~5.6.2",
-    "vitest": "^2.0.4"
+    "vitest": "^3.0.5"
   },
   "scripts": {
     "build": "tsc --build",