diff --git a/websocket-demo-pollin/package-lock.json b/websocket-demo-pollin/package-lock.json
index 188fbda..2bf9335 100644
--- a/websocket-demo-pollin/package-lock.json
+++ b/websocket-demo-pollin/package-lock.json
@@ -535,9 +535,9 @@
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
     },
     "ws": {
-      "version": "7.2.3",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-7.2.3.tgz",
-      "integrity": "sha512-HTDl9G9hbkNDk98naoR/cHDws7+EyYMOdL1BmjsZXRUjf7d+MficC4B7HLUPlSiho0vg+CWKrGIt/VJBd1xunQ=="
+      "version": "7.4.6",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.6.tgz",
+      "integrity": "sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A=="
     }
   }
 }
diff --git a/websocket-demo-pollin/package.json b/websocket-demo-pollin/package.json
index 6e56e93..ecbca3e 100644
--- a/websocket-demo-pollin/package.json
+++ b/websocket-demo-pollin/package.json
@@ -19,6 +19,6 @@
     "fastify": "^2.13.0",
     "fastify-static": "^2.6.0",
     "uuid": "^7.0.2",
-    "ws": "^7.2.3"
+    "ws": "^7.4.6"
   }
 }