diff --git a/package.json b/package.json
index 32ae7b56..b0515483 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
         "@iobroker/eslint-config": "^0.1.6",
         "@iobroker/legacy-testing": "^1.0.13",
         "@types/node": "^22.8.6",
-        "chai": "^4.5.0",
+        "chai": "^5.1.2",
         "mocha": "^10.8.2"
     },
     "bugs": {