diff --git a/package.json b/package.json
index 8dfb907..e0c7a88 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
     "eslint-config-exchange-solutions": "6.0.0",
     "mocha": "^2.2.4",
     "rimraf": "^2.3.4",
-    "sinon": "^1.14.1",
+    "sinon": "^2.3.0",
     "sinon-as-promised": "^4.0.0",
     "sinon-chai": "^2.7.0"
   },