diff --git a/package.json b/package.json
index 49ecf54..1ef83d6 100644
--- a/package.json
+++ b/package.json
@@ -53,7 +53,7 @@
     "istanbul": "^0.4.5",
     "mocha": "^5.2.0",
     "pre-commit": "^1.2.2",
-    "sinon": "^6.1.5",
+    "sinon": "^6.2.0",
     "stryker": "^0.29.1",
     "stryker-api": "^0.21.0",
     "stryker-html-reporter": "^0.16.1",