diff --git a/package.json b/package.json
index 5761b2a..e578e98 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "karma-mocha-reporter": "2.2.4",
     "mocha": "3.5.2",
     "mz": "2.6.0",
-    "sinon": "3.2.1",
+    "sinon": "3.3.0",
     "sinon-chrome": "2.2.1",
     "npm-run-all": "4.1.1",
     "selenium-webdriver": "3.5.0",