diff --git a/package.json b/package.json
index 848ec7e..ff6e6bb 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "pre-push": "^0.1.1",
     "run-sequence": "^2.0.0",
     "semistandard": "^12.0.0",
-    "sinon": "^5.0.0"
+    "sinon": "^6.0.0"
   },
   "pre-push": [
     "test"