diff --git a/package.json b/package.json
index 9a7b0cd5..8b74dc30 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "mocha-lcov-reporter": "^1.2.0",
     "mockery": "^2.0.0",
     "roots-util": "^0.2.0",
-    "sinon": "^1.17.4",
+    "sinon": "^2.0.0",
     "sinon-chai": "2.x"
   },
   "directories": {