diff --git a/mqtt-websocket-proxy/package-lock.json b/mqtt-websocket-proxy/package-lock.json
index dd44f34..6b8a1de 100644
--- a/mqtt-websocket-proxy/package-lock.json
+++ b/mqtt-websocket-proxy/package-lock.json
@@ -701,9 +701,9 @@
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
     },
     "ws": {
-      "version": "7.4.2",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.2.tgz",
-      "integrity": "sha512-T4tewALS3+qsrpGI/8dqNMLIVdq/g/85U98HPMa6F0m6xTbvhXU6RCQLqPH3+SlomNV/LdY6RXEbBpMH6EOJnA=="
+      "version": "7.4.6",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.6.tgz",
+      "integrity": "sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A=="
     },
     "xtend": {
       "version": "4.0.2",
diff --git a/mqtt-websocket-proxy/package.json b/mqtt-websocket-proxy/package.json
index e6f1c2a..6350870 100644
--- a/mqtt-websocket-proxy/package.json
+++ b/mqtt-websocket-proxy/package.json
@@ -10,7 +10,7 @@
   "license": "ISC",
   "dependencies": {
     "mqtt": "^4.2.6",
-    "ws": "^7.4.2",
+    "ws": "^7.4.6",
     "yargs": "^16.2.0"
   }
 }