diff --git a/package-lock.json b/package-lock.json
index 099e83d..8449a71 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -25,7 +25,7 @@
         "mocha": "^10.8.2",
         "proxyquire": "^2.1.3",
         "sinon": "^18.0.0",
-        "sinon-chai": "^3.7.0"
+        "sinon-chai": "^4.0.0"
       },
       "engines": {
         "node": ">=18.0.0"
@@ -1214,6 +1214,17 @@
         "url": "https://opencollective.com/sinon"
       }
     },
+    "node_modules/@iobroker/testing/node_modules/sinon-chai": {
+      "version": "3.7.0",
+      "resolved": "https://registry.npmjs.org/sinon-chai/-/sinon-chai-3.7.0.tgz",
+      "integrity": "sha512-mf5NURdUaSdnatJx3uhoBOrY9dtL19fiOtAdT1Azxg3+lNJFiuN0uzaU3xX1LeAfL17kHQhTAJgpsfhbMJMY2g==",
+      "dev": true,
+      "license": "(BSD-2-Clause OR WTFPL)",
+      "peerDependencies": {
+        "chai": "^4.0.0",
+        "sinon": ">=4.0.0"
+      }
+    },
     "node_modules/@iobroker/types": {
       "version": "6.0.11",
       "resolved": "https://registry.npmjs.org/@iobroker/types/-/types-6.0.11.tgz",
@@ -6465,12 +6476,13 @@
       }
     },
     "node_modules/sinon-chai": {
-      "version": "3.7.0",
-      "resolved": "https://registry.npmjs.org/sinon-chai/-/sinon-chai-3.7.0.tgz",
-      "integrity": "sha512-mf5NURdUaSdnatJx3uhoBOrY9dtL19fiOtAdT1Azxg3+lNJFiuN0uzaU3xX1LeAfL17kHQhTAJgpsfhbMJMY2g==",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/sinon-chai/-/sinon-chai-4.0.0.tgz",
+      "integrity": "sha512-cWqO7O2I4XfJDWyWElAQ9D/dtdh5Mo0RHndsfiiYyjWnlPzBJdIvjCVURO4EjyYaC3BjV+ISNXCfTXPXTEIEWA==",
       "dev": true,
+      "license": "(BSD-2-Clause OR WTFPL)",
       "peerDependencies": {
-        "chai": "^4.0.0",
+        "chai": "^5.0.0",
         "sinon": ">=4.0.0"
       }
     },
diff --git a/package.json b/package.json
index dd1f9db..4ad2008 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "mocha": "^10.8.2",
     "proxyquire": "^2.1.3",
     "sinon": "^18.0.0",
-    "sinon-chai": "^3.7.0"
+    "sinon-chai": "^4.0.0"
   },
   "main": "main.js",
   "files": [