diff --git a/package-lock.json b/package-lock.json
index 6e48e68..b8ae8a5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "license": "MIT",
       "dependencies": {
         "@modelcontextprotocol/sdk": "^1.21.1",
-        "ws": "^8.18.3",
+        "ws": "^8.21.1",
         "zod": "^3.25.76"
       },
       "bin": {
@@ -1144,9 +1144,9 @@
       "license": "ISC"
     },
     "node_modules/ws": {
-      "version": "8.21.0",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-8.21.0.tgz",
-      "integrity": "sha512-Vsp28b7DRcimFQvrqu2Wek3z1iYxDCWqHYB8Qsnk/S4RfaCQzPGPyBNuVjJV3cd6UiKtUtp6sNM77gWvzcCH+g==",
+      "version": "8.21.1",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.21.1.tgz",
+      "integrity": "sha512-+0NTnW77fFN/DjQi6k/Sq/Yvk4Sgajw7urW8V+asjXnRgDs9gyGkdb7EzgfhA4goXsRIZKE28fzIXBHEzhuiWw==",
       "license": "MIT",
       "engines": {
         "node": ">=10.0.0"
diff --git a/package.json b/package.json
index b2a7f1d..fefab06 100644
--- a/package.json
+++ b/package.json
@@ -123,7 +123,7 @@
   },
   "dependencies": {
     "@modelcontextprotocol/sdk": "^1.21.1",
-    "ws": "^8.18.3",
+    "ws": "^8.21.1",
     "zod": "^3.25.76"
   },
   "engines": {