diff --git a/package.json b/package.json
index 22e24f3..a75549e 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "code": "4.0.0",
     "lab": "12.1.0",
     "proxyquire": "1.7.11",
-    "sinon": "1.17.7",
+    "sinon": "2.1.0",
     "standard": "9.0.0"
   },
   "scripts": {