diff --git a/package.json b/package.json
index b21cf2b53..cf24872fa 100644
--- a/package.json
+++ b/package.json
@@ -65,7 +65,7 @@
     "@iobroker/dev-server": "^0.7.1",
     "@types/iobroker": "^4.0.5",
     "alcalzone-shared": "^4.0.8",
-    "chai": "^4.3.10",
+    "chai": "^5.1.0",
     "eslint": "^8.57.0",
     "gulp": "^4.0.2",
     "gulp-rename": "^2.0.0",