diff --git a/packages/dev-middleware/package.json b/packages/dev-middleware/package.json
index 7c00dd34e42..44cfe0f0715 100644
--- a/packages/dev-middleware/package.json
+++ b/packages/dev-middleware/package.json
@@ -31,7 +31,8 @@
     "node-fetch": "^2.2.0",
     "open": "^7.0.3",
     "serve-static": "^1.13.1",
-    "temp-dir": "^2.0.0"
+    "temp-dir": "^2.0.0",
+    "ws": "^6.2.2"
   },
   "engines": {
     "node": ">=18"