diff --git a/package.json b/package.json
index 6b999f7..d99b5be 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "grunt-jscs": "^3.0.1",
     "grunt-mocha-test": "^0.13.2",
     "mocha": "^3.2.0",
-    "sinon": "^1.17.4",
+    "sinon": "^2.0.0",
     "supertest": "^2.0.1"
   }
 }