diff --git a/package.json b/package.json
index a0961992a1..91287de14d 100644
--- a/package.json
+++ b/package.json
@@ -71,7 +71,7 @@
     "proj4": "2.4.3",
     "resemblejs": "2.2.4",
     "serve-files": "1.0.1",
-    "sinon": "2.4.1",
+    "sinon": "3.0.0",
     "slimerjs": "0.10.3"
   },
   "eslintConfig": {