diff --git a/package-lock.json b/package-lock.json
index 7ab7eed..1ecd3c3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "iobroker.refoss",
-  "version": "1.2.3",
+  "version": "1.2.4",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "iobroker.refoss",
-      "version": "1.2.3",
+      "version": "1.2.4",
       "license": "MIT",
       "dependencies": {
         "@apollon/iobroker-tools": "^0.3.0",
@@ -30,7 +30,7 @@
         "@types/proxyquire": "^1.3.31",
         "@types/sinon": "^17.0.4",
         "@types/sinon-chai": "^4.0.0",
-        "chai": "^4.5.0",
+        "chai": "^6.2.0",
         "chai-as-promised": "^7.1.2",
         "mocha": "^11.1.0",
         "proxyquire": "^2.1.3",
@@ -1347,6 +1347,25 @@
         "node": ">=18"
       }
     },
+    "node_modules/@iobroker/testing/node_modules/chai": {
+      "version": "4.5.0",
+      "resolved": "https://registry.npmjs.org/chai/-/chai-4.5.0.tgz",
+      "integrity": "sha512-RITGBfijLkBddZvnn8jdqoTypxvqbOLYQkGGxXzeFjVHvudaPw0HNFD9x928/eUwYWd2dPCugVqspGALTZZQKw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "assertion-error": "^1.1.0",
+        "check-error": "^1.0.3",
+        "deep-eql": "^4.1.3",
+        "get-func-name": "^2.0.2",
+        "loupe": "^2.3.6",
+        "pathval": "^1.1.1",
+        "type-detect": "^4.1.0"
+      },
+      "engines": {
+        "node": ">=4"
+      }
+    },
     "node_modules/@iobroker/testing/node_modules/fs-extra": {
       "version": "11.3.2",
       "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-11.3.2.tgz",
@@ -2337,6 +2356,7 @@
       "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-1.1.0.tgz",
       "integrity": "sha512-jgsaNduz+ndvGyFt3uSuWqvy4lCnIJiovtouQN5JZHOKCS2QuhEdbcQHFhVksz2N2U9hXJo8odG7ETyWlEeuDw==",
       "dev": true,
+      "license": "MIT",
       "engines": {
         "node": "*"
       }
@@ -2606,22 +2626,13 @@
       "peer": true
     },
     "node_modules/chai": {
-      "version": "4.5.0",
-      "resolved": "https://registry.npmjs.org/chai/-/chai-4.5.0.tgz",
-      "integrity": "sha512-RITGBfijLkBddZvnn8jdqoTypxvqbOLYQkGGxXzeFjVHvudaPw0HNFD9x928/eUwYWd2dPCugVqspGALTZZQKw==",
+      "version": "6.2.0",
+      "resolved": "https://registry.npmjs.org/chai/-/chai-6.2.0.tgz",
+      "integrity": "sha512-aUTnJc/JipRzJrNADXVvpVqi6CO0dn3nx4EVPxijri+fj3LUUDyZQOgVeW54Ob3Y1Xh9Iz8f+CgaCl8v0mn9bA==",
       "dev": true,
       "license": "MIT",
-      "dependencies": {
-        "assertion-error": "^1.1.0",
-        "check-error": "^1.0.3",
-        "deep-eql": "^4.1.3",
-        "get-func-name": "^2.0.2",
-        "loupe": "^2.3.6",
-        "pathval": "^1.1.1",
-        "type-detect": "^4.1.0"
-      },
       "engines": {
-        "node": ">=4"
+        "node": ">=18"
       }
     },
     "node_modules/chai-as-promised": {
@@ -2895,6 +2906,7 @@
       "resolved": "https://registry.npmjs.org/deep-eql/-/deep-eql-4.1.4.tgz",
       "integrity": "sha512-SUwdGfqdKOwxCPeVYjwSyRpJ7Z+fhpwIAtmCUdZIWZ/YP5R9WAsyuSgpLVDi9bjWoN2LXHNss/dk3urXtdQxGg==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "type-detect": "^4.0.0"
       },
@@ -5469,6 +5481,7 @@
       "resolved": "https://registry.npmjs.org/loupe/-/loupe-2.3.7.tgz",
       "integrity": "sha512-zSMINGVYkdpYSOBmLi0D1Uo7JU9nVdQKrHxC8eYlV+9YKK9WePqAlL7lSlorG/U2Fw1w0hTBmaa/jrQ3UbPHtA==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "get-func-name": "^2.0.1"
       }
@@ -6061,6 +6074,7 @@
       "resolved": "https://registry.npmjs.org/pathval/-/pathval-1.1.1.tgz",
       "integrity": "sha512-Dp6zGqpTdETdR63lehJYPeIOqpiNBNtc7BpWSLrOje7UaIsE5aY92r/AunQA7rsXvet3lrJ3JnZX29UPTKXyKQ==",
       "dev": true,
+      "license": "MIT",
       "engines": {
         "node": "*"
       }
diff --git a/package.json b/package.json
index ab2378f..30dd152 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "@types/proxyquire": "^1.3.31",
     "@types/sinon": "^17.0.4",
     "@types/sinon-chai": "^4.0.0",
-    "chai": "^4.5.0",
+    "chai": "^6.2.0",
     "chai-as-promised": "^7.1.2",
     "mocha": "^11.1.0",
     "proxyquire": "^2.1.3",