diff --git a/package.json b/package.json
index b4ff9c7..9c4eab1 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "@iobroker/adapter-dev": "^1.2.0",
     "@iobroker/legacy-testing": "^0.3.7",
     "axios": "^1.6.2",
-    "chai": "^4.3.10",
+    "chai": "^5.0.0",
     "gulp": "^4.0.2",
     "mocha": "^10.2.0"
   },