diff --git a/packages/appview/package.json b/packages/appview/package.json
index 37fb89f..253c9cd 100644
--- a/packages/appview/package.json
+++ b/packages/appview/package.json
@@ -39,6 +39,7 @@
     "@types/cors": "^2.8.17",
     "@types/express": "^5.0.0",
     "@types/node": "^22.13.8",
+    "@types/ws": "^8.5.14",
     "pino-pretty": "^13.0.0",
     "ts-node": "^10.9.2",
     "tsup": "^8.4.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 3baf0ab..641fe53 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -99,6 +99,9 @@ importers:
       '@types/node':
         specifier: ^22.13.8
         version: 22.13.8
+      '@types/ws':
+        specifier: ^8.5.14
+        version: 8.5.14
       pino-pretty:
         specifier: ^13.0.0
         version: 13.0.0
@@ -1006,6 +1009,9 @@ packages:
   '@types/serve-static@1.15.7':
     resolution: {integrity: sha512-W8Ym+h8nhuRwaKPaDw34QUkwsGi6Rc4yYqvKFo5rm2FUEhCFbzVWrxXUxuKK8TASjWsysJY0nsmNCGhCOIsrOw==}
 
+  '@types/ws@8.5.14':
+    resolution: {integrity: sha512-bd/YFLW+URhBzMXurx7lWByOu+xzU9+kb3RboOteXYDfW+tr+JZa99OyNmPINEGB/ahzKrEuc8rcv4gnpJmxTw==}
+
   '@typescript-eslint/eslint-plugin@8.25.0':
     resolution: {integrity: sha512-VM7bpzAe7JO/BFf40pIT1lJqS/z1F8OaSsUB3rpFJucQA4cOSuH2RVVVkFULN+En0Djgr29/jb4EQnedUo95KA==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
@@ -3622,6 +3628,10 @@ snapshots:
       '@types/node': 22.13.8
       '@types/send': 0.17.4
 
+  '@types/ws@8.5.14':
+    dependencies:
+      '@types/node': 22.13.8
+
   '@typescript-eslint/eslint-plugin@8.25.0(@typescript-eslint/parser@8.25.0(eslint@9.21.0(jiti@2.4.2))(typescript@5.8.2))(eslint@9.21.0(jiti@2.4.2))(typescript@5.8.2)':
     dependencies:
       '@eslint-community/regexpp': 4.12.1