diff --git a/package.json b/package.json
index 7444af3d9..d2e4836cf 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
   "preferGlobal": "true",
   "dependencies": {
     "esm": "^3.0.84",
-    "express": "^5.15.3",
+    "express": "^4.16.4",
     "fs-extra": "^4.0.1",
     "node-pty": "^0.7.4",
     "optimist": "^0.6",