diff --git a/package.json b/package.json
index 5dd5f3c1..427807e6 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
   "devDependencies": {
     "gulp": "^4.0.2",
     "mocha": "^8.2.1",
-    "chai": "^4.2.0",
+    "chai": "^4.3.4",
     "@iobroker/testing": "^2.4.2",
     "axios": "^0.21.1"
   }