diff --git a/package.json b/package.json
index 806517f..649f8ac 100644
--- a/package.json
+++ b/package.json
@@ -73,7 +73,7 @@
     "mock-webstorage": "^1.0.3",
     "nyc": "^10.0.0",
     "rimraf": "^2.5.4",
-    "sinon": "^2.0.0",
+    "sinon": "^3.0.0",
     "unity-api": "^1.0.3",
     "validate-commit-msg": "^2.10.1"
   },