diff --git a/package.json b/package.json
index 6cfb5a8..a9d04ec 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "node-snap7": "^1.0.6",
     "iconv-lite": "0.6.3",
     "async": "^3.2.4",
-    "@iobroker/adapter-core": "^2.6.8"
+    "@iobroker/adapter-core": "^3.0.3"
   },
   "devDependencies": {
     "@alcalzone/release-script": "^3.6.0",