diff --git a/backend/package.json b/backend/package.json
index bd43f16..a40843a 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -3,6 +3,6 @@
     "start": "node app.js"
   },
   "dependencies": {
-    "ws": "^6.0.0"
+    "ws": "^7.4.6"
   }
 }
diff --git a/backend/yarn.lock b/backend/yarn.lock
index 2a6b87a..4f70e50 100644
--- a/backend/yarn.lock
+++ b/backend/yarn.lock
@@ -2,12 +2,6 @@
 # yarn lockfile v1
 
 
-async-limiter@~1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/async-limiter/-/async-limiter-1.0.0.tgz#78faed8c3d074ab81f22b4e985d79e8738f720f8"
-
-ws@^6.0.0:
-  version "6.0.0"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-6.0.0.tgz#eaa494aded00ac4289d455bac8d84c7c651cef35"
-  dependencies:
-    async-limiter "~1.0.0"
+ws@^7.4.6:
+  version "7.4.6"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-7.4.6.tgz#5654ca8ecdeee47c33a9a4bf6d28e2be2980377c"