diff --git a/package.json b/package.json
index efb1683..40bd67d 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
   "devDependencies": {
     "@mercuriusjs/federation": "^5.0.0",
     "@mercuriusjs/gateway": "^5.0.0",
-    "@sinonjs/fake-timers": "^11.2.2",
+    "@sinonjs/fake-timers": "^15.1.0",
     "@types/node": "^25.0.2",
     "@types/ws": "^8.5.10",
     "@typescript-eslint/eslint-plugin": "^5.30.3",