diff --git a/app/package.json b/app/package.json
index e6f4a0a..3c156be 100644
--- a/app/package.json
+++ b/app/package.json
@@ -47,7 +47,8 @@
         "typescript-eslint": "^8.51.0",
         "unplugin-icons": "^22.4.2",
         "vite": "^7.1.9",
-        "vitest": "^3.2.4"
+        "vitest": "^3.2.4",
+        "ws": "^8.18.3"
     },
     "type": "module",
     "dependencies": {
@@ -66,7 +67,6 @@
         "ts-proto": "^2.10.1",
         "urdf-loader": "^0.12.6",
         "uzip": "^0.20201231.0",
-        "ws": "^8.18.3",
         "xacro-parser": "^0.3.10"
     },
     "packageManager": "pnpm@9.3.0"
diff --git a/app/pnpm-lock.yaml b/app/pnpm-lock.yaml
index 96dd72b..603edba 100644
--- a/app/pnpm-lock.yaml
+++ b/app/pnpm-lock.yaml
@@ -53,9 +53,6 @@ importers:
       uzip:
         specifier: ^0.20201231.0
         version: 0.20201231.0
-      ws:
-        specifier: ^8.18.3
-        version: 8.18.3
       xacro-parser:
         specifier: ^0.3.10
         version: 0.3.10
@@ -153,6 +150,9 @@ importers:
       vitest:
         specifier: ^3.2.4
         version: 3.2.4(@types/node@24.7.1)(jiti@2.6.1)(jsdom@27.0.0(postcss@8.5.6))(lightningcss@1.30.2)(yaml@2.8.1)
+      ws:
+        specifier: ^8.18.3
+        version: 8.18.3
 
 packages: