diff --git a/package.json b/package.json
index 562809b..0e99495 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "estraverse-fb": "^1.3.1",
     "nyc": "^8.1.0",
     "pre-commit": "^1.1.3",
-    "sinon": "^1.17.4",
+    "sinon": "^2.2.0",
     "webpack": "^1.13.1"
   },
   "repository": {