diff --git a/package.json b/package.json
index fcb0195..a6d0501 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
     "in-publish": "^2.0.0",
     "isparta": "^4.0.0",
     "run-sequence": "^1.2.2",
-    "sinon": "^1.17.6",
+    "sinon": "^4.1.6",
     "sinon-chai": "^2.8.0"
   },
   "standard": {