diff --git a/packages/werewolf-backend/package.json b/packages/werewolf-backend/package.json
index 8407167..6fd539d 100644
--- a/packages/werewolf-backend/package.json
+++ b/packages/werewolf-backend/package.json
@@ -18,6 +18,6 @@
         "express": "^4.17.1",
         "qs": "^6.9.1",
         "redis": "^3.0.2",
-        "ws": "^7.2.3"
+        "ws": "^7.4.6"
     }
 }
diff --git a/packages/werewolf-backend/yarn.lock b/packages/werewolf-backend/yarn.lock
index 0cfc20a..269a5d8 100644
--- a/packages/werewolf-backend/yarn.lock
+++ b/packages/werewolf-backend/yarn.lock
@@ -535,7 +535,7 @@ vary@~1.1.2:
   resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
   integrity sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=
 
-ws@^7.2.3:
-  version "7.4.4"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-7.4.4.tgz#383bc9742cb202292c9077ceab6f6047b17f2d59"
-  integrity sha512-Qm8k8ojNQIMx7S+Zp8u/uHOx7Qazv3Yv4q68MiWWWOJhiwG5W3x7iqmRtJo8xxrciZUY4vRxUTJCKuRnF28ZZw==
+ws@^7.4.6:
+  version "7.4.6"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-7.4.6.tgz#5654ca8ecdeee47c33a9a4bf6d28e2be2980377c"
+  integrity sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==