diff --git a/package-lock.json b/package-lock.json
index c7b5be5..98116a6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -18,7 +18,7 @@
         "@alcalzone/release-script": "^3.6.0",
         "@alcalzone/release-script-plugin-iobroker": "^3.6.0",
         "@iobroker/testing": "^4.0.0",
-        "@types/chai": "^4.3.8",
+        "@types/chai": "^4.3.9",
         "@types/chai-as-promised": "^7.1.7",
         "@types/gulp": "^4.0.15",
         "@types/mocha": "^10.0.2",
@@ -814,9 +814,9 @@
       "dev": true
     },
     "node_modules/@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
     },
     "node_modules/@types/chai-as-promised": {
@@ -3964,9 +3964,9 @@
       "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 7b908f8..2b39f54 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "@alcalzone/release-script": "^3.6.0",
     "@alcalzone/release-script-plugin-iobroker": "^3.6.0",
     "@iobroker/testing": "^4.0.0",
-    "@types/chai": "^4.3.8",
+    "@types/chai": "^4.3.9",
     "@types/chai-as-promised": "^7.1.7",
     "@types/gulp": "^4.0.15",
     "@types/mocha": "^10.0.2",