diff --git a/package.json b/package.json
index a169635..35af6ee 100644
--- a/package.json
+++ b/package.json
@@ -33,6 +33,6 @@
     "mocha": "^3.1.2",
     "redux": "^3.0.4",
     "require-dir": "^0.3.0",
-    "sinon": "^1.17.2"
+    "sinon": "^2.0.0"
   }
 }