diff --git a/package.json b/package.json
index d35996f..7a9c4b7 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "chai": "^3.5.0",
     "mocha": "^3.1.2",
     "mockery": "^2.0.0",
-    "sinon": "^2.1.0",
+    "sinon": "^11.1.1",
     "supertest": "^2.0.1"
   }
 }