diff --git a/packages/google-cloud-scheduler/package.json b/packages/google-cloud-scheduler/package.json
index 3f6a4e99677..b6d39d7f6f0 100644
--- a/packages/google-cloud-scheduler/package.json
+++ b/packages/google-cloud-scheduler/package.json
@@ -57,7 +57,7 @@
     "mocha": "^8.0.0",
     "null-loader": "^4.0.0",
     "pack-n-play": "^1.0.0-2",
-    "sinon": "^11.0.0",
+    "sinon": "^12.0.0",
     "ts-loader": "^9.0.0",
     "typescript": "^3.8.3"
   }