diff --git a/package.json b/package.json
index 5de0561..d640aed 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "jshint-stylish": "^0.1.5",
     "istanbul": "^0.2.7",
     "mocha": "^1.18.2",
-    "sinon": "^1.9.1",
+    "sinon": "^1.17.5",
     "proxyquire": "^0.6.0"
   },
   "dependencies": {