diff --git a/package.json b/package.json
index d45dda8..605cdd8 100644
--- a/package.json
+++ b/package.json
@@ -95,7 +95,7 @@
     "istanbul": "^1.0.0-alpha.2",
     "jsdoc": "^3.4.0",
     "mocha": "^3.0.1",
-    "sinon": "^1.17.0",
+    "sinon": "^2.2.0",
     "sinon-as-promised": "^4.0.0",
     "standard": "8.1.0"
   }