diff --git a/package.json b/package.json
index 4b70787..3fd5e65 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "phantomjs": "1.9.13",
     "resolve": "1.0.0",
     "selenium-standalone": "2.43.1-5",
-    "webdriverio": "2.4.0",
+    "webdriverio": "4.2.0",
     "yargs": "1.3.3"
   },
   "devDependencies": {