diff --git a/backend/websocket-server/package-lock.json b/backend/websocket-server/package-lock.json
index bc83106..7c25f8d 100644
--- a/backend/websocket-server/package-lock.json
+++ b/backend/websocket-server/package-lock.json
@@ -396,9 +396,9 @@
       "license": "MIT"
     },
     "node_modules/ws": {
-      "version": "8.18.1",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-8.18.1.tgz",
-      "integrity": "sha512-RKW2aJZMXeMxVpnZ6bck+RswznaxmzdULiBr6KY7XkTnW8uvt0iT9H5DkHUChXrc+uurzwa0rVI16n/Xzjdz1w==",
+      "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"