diff --git a/package.json b/package.json
index ec48e70..dd55765 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "@iobroker/adapter-dev": "^1.2.0",
     "@iobroker/legacy-testing": "^0.3.7",
     "axios": "^1.7.2",
-    "chai": "^4.3.10",
+    "chai": "^5.1.1",
     "gulp": "^4.0.2",
     "mocha": "^10.3.0"
   },