diff --git a/package.json b/package.json
index 639b959..cdf7acc 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "jenkins-mocha": "8.0.0",
     "mocha-lcov-reporter": "1.3.0",
     "root-require": "0.3.1",
-    "sinon": "8.1.1",
+    "sinon": "9.0.0",
     "standard-version": "7.1.0"
   },
   "peerDependencies": {