diff --git a/package.json b/package.json
index 6e2a241..28001b6 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "eslint-plugin-import": "^2.0.1",
     "jsdom": "^9.12.0",
     "rimraf": "^2.6.1",
-    "sinon": "^2.1.0"
+    "sinon": "^3.0.0"
   },
   "ava": {
     "require": [