diff --git a/package-lock.json b/package-lock.json
index 9af3039..e54124f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -833,9 +833,9 @@
       "dev": true
     },
     "@types/chai": {
-      "version": "4.3.8",
-      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.3.8.tgz",
-      "integrity": "sha512-yW/qTM4mRBBcsA9Xw9FbcImYtFPY7sgr+G/O5RDYVmxiy9a+pE5FyoFUi8JYCZY5nicj8atrr1pcfPiYpeNGOA==",
+      "version": "4.3.9",
+      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.3.9.tgz",
+      "integrity": "sha512-69TtiDzu0bcmKQv3yg1Zx409/Kd7r0b5F1PfpYJfSHzLGtB53547V4u+9iqKYsTu/O2ai6KTb0TInNpvuQ3qmg==",
       "dev": true
     },
     "@types/chai-as-promised": {
diff --git a/package.json b/package.json
index 38f8834..49c8075 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "@alcalzone/release-script-plugin-license": "^3.5.9",
     "@iobroker/adapter-dev": "^1.2.0",
     "@iobroker/testing": "^4.1.0",
-    "@types/chai": "^4.3.8",
+    "@types/chai": "^4.3.9",
     "@types/chai-as-promised": "^7.1.6",
     "@types/mocha": "^10.0.2",
     "@types/node": "^20.8.6",