diff --git a/package-lock.json b/package-lock.json
index abc40f2..54fa160 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "license": "MIT",
       "dependencies": {
         "@iobroker/adapter-core": "^3.3.2",
-        "ws": "^8.20.1"
+        "ws": "^8.21.0"
       },
       "devDependencies": {
         "@alcalzone/release-script": "^5.2.1",
@@ -8463,9 +8463,9 @@
       "license": "ISC"
     },
     "node_modules/ws": {
-      "version": "8.20.1",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-8.20.1.tgz",
-      "integrity": "sha512-It4dO0K5v//JtTXuPkfEOaI3uUN87iYPnqo/ZzqCoG3g8uhA66QUMs/SrM0YK7/NAu+r4LMh/9dq2A7k+rHs+w==",
+      "version": "8.21.0",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.21.0.tgz",
+      "integrity": "sha512-Vsp28b7DRcimFQvrqu2Wek3z1iYxDCWqHYB8Qsnk/S4RfaCQzPGPyBNuVjJV3cd6UiKtUtp6sNM77gWvzcCH+g==",
       "license": "MIT",
       "engines": {
         "node": ">=10.0.0"
diff --git a/package.json b/package.json
index 803fa9f..cd998b8 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "url": "https://github.com/ioBroker/ioBroker.hass"
   },
   "dependencies": {
-    "ws": "^8.20.1",
+    "ws": "^8.21.0",
     "@iobroker/adapter-core": "^3.3.2"
   },
   "devDependencies": {