diff --git a/private/aws-protocoltests-restxml/package.json b/private/aws-protocoltests-restxml/package.json
index 94ec279922769..28c88e6872027 100644
--- a/private/aws-protocoltests-restxml/package.json
+++ b/private/aws-protocoltests-restxml/package.json
@@ -70,7 +70,7 @@
     "downlevel-dts": "0.10.1",
     "rimraf": "3.0.2",
     "typescript": "~5.8.3",
-    "vitest": "2.1.8"
+    "vitest": "2.1.9"
   },
   "engines": {
     "node": ">=18.0.0"