diff --git a/package.json b/package.json
index 70264e1f7..22770c243 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "commander": "^2.3.0",
     "connect-ratelimit": "git://github.com/dharmafly/connect-ratelimit.git#0550eff209c54f35078f46445000797fa942ab97",
     "cron": "^1.0.4",
-    "express": "~3.4.7",
+    "express": "~4.21.1",
     "glob": "*",
     "leveldown": "~0.10.0",
     "levelup": "~0.19.0",