diff --git a/package.json b/package.json
index 2f225d62..212a1aac 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,7 @@
     "mocha": "4.1.0",
     "pre-commit": "1.2.2",
     "rimraf": "2.6.2",
-    "sinon": "4.1.4",
+    "sinon": "4.1.5",
     "threads": "0.10.0",
     "ts-node": "4.1.0",
     "tslint": "5.9.1",