diff --git a/package.json b/package.json
index f0119a5..2aae9c6 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
     "guide4you-proxy": "github:KlausBenndorf/guide4you-proxy#v1.1.0",
     "http-server": "0.11.1",
     "jquery": "3.3.1",
-    "mocha": "5.2.0",
+    "mocha": "6.1.1",
     "ol": "5.2.0",
     "phantomjs-prebuilt": "2.1.14",
     "selenium-webdriver": "3.6.0",