diff --git a/package.json b/package.json
index 4a3ec3e39f..93491d8ee0 100644
--- a/package.json
+++ b/package.json
@@ -117,7 +117,7 @@
     "object.entries": "1.0.4",
     "object.values": "1.0.4",
     "prettyjson": "1.2.1",
-    "sinon": "1.17.7",
+    "sinon": "2.1.0",
     "webpack": "1.14.0",
     "webpack-dev-server": "1.16.2",
     "yauzl": "2.7.0"