diff --git a/package.json b/package.json
index ceb92d7fc35..debe9db2449 100644
--- a/package.json
+++ b/package.json
@@ -21,6 +21,8 @@
     "test:ci": "node --no-warnings --experimental-vm-modules $(yarn bin jest) --ci"
   },
   "dependencies": {
+    "bufferutil": "^4.0.0",
+    "utf-8-validate": "^5.0.0",
     "@fortaine/fetch-event-source": "^3.0.6",
     "@hello-pangea/dnd": "^16.5.0",
     "@modelcontextprotocol/sdk": "^1.0.4",