diff --git a/package.json b/package.json
index 8b7d4efef..a7506e74b 100644
--- a/package.json
+++ b/package.json
@@ -84,7 +84,7 @@
     "mocha": "^3.2.0",
     "modularscale-sass": "^2.1.1",
     "node-notifier": "^5.0.0",
-    "selenium-standalone": "^5.9.1",
+    "selenium-standalone": "^6.0.0",
     "stylelint": "^7.7.1",
     "stylelint-config-standard": "^15.0.1",
     "stylelint-order": "^0.2.2",