diff --git a/tgui/packages/tgui-dev-server/package.json b/tgui/packages/tgui-dev-server/package.json
index e475c73c645..ea432ddf616 100644
--- a/tgui/packages/tgui-dev-server/package.json
+++ b/tgui/packages/tgui-dev-server/package.json
@@ -8,7 +8,7 @@
     "axios": "^1.15.2",
     "source-map": "^0.7.6",
     "stacktrace-parser": "^0.1.11",
-    "ws": "^8.20.1"
+    "ws": "^8.21.0"
   },
   "devDependencies": {
     "@types/ws": "^8.18.1"
diff --git a/tgui/yarn.lock b/tgui/yarn.lock
index eea487f572d..29fa3b77d33 100644
--- a/tgui/yarn.lock
+++ b/tgui/yarn.lock
@@ -19723,7 +19723,7 @@ __metadata:
     axios: "npm:^1.15.2"
     source-map: "npm:^0.7.6"
     stacktrace-parser: "npm:^0.1.11"
-    ws: "npm:^8.20.1"
+    ws: "npm:^8.21.0"
   languageName: unknown
   linkType: soft
 
@@ -21678,9 +21678,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"ws@npm:^8.20.1":
-  version: 8.20.1
-  resolution: "ws@npm:8.20.1"
+"ws@npm:^8.21.0":
+  version: 8.21.0
+  resolution: "ws@npm:8.21.0"
   peerDependencies:
     bufferutil: ^4.0.1
     utf-8-validate: ">=5.0.2"
@@ -21689,7 +21689,7 @@ __metadata:
       optional: true
     utf-8-validate:
       optional: true
-  checksum: 10c0/ce162433218399cdedeb76fd33363d4d86a7d910058d4e3c679dce08cea65d6da6b39f11baa4d7808d024cf46ed88f6a05c17611621aaad8fc5e62edacc30c5d
+  checksum: 10c0/ef4a243476283fc49bc7550966c4af4aa0eef56273837211e700de3b664e08604a760cdddcb5ba43c049140e74ccfec5b0ee0bb439e08c2adf9138902fdde5f9
   languageName: node
   linkType: hard