diff --git a/package.json b/package.json
index 5e6c8ee..b6c552f 100644
--- a/package.json
+++ b/package.json
@@ -71,7 +71,7 @@
     "nyc": "^11.1.0",
     "portscanner": "^2.1.1",
     "request-promise-native": "^1.0.4",
-    "sinon": "^4.0.0"
+    "sinon": "^5.0.5"
   },
   "engineStrict": true,
   "engines": {