diff --git a/pkgs/servers/web-apps/codimd/package.json b/pkgs/servers/web-apps/codimd/package.json
index 7f78d14ff3058..d74979585c309 100644
--- a/pkgs/servers/web-apps/codimd/package.json
+++ b/pkgs/servers/web-apps/codimd/package.json
@@ -39,7 +39,7 @@
     "ejs": "^2.5.5",
     "emojify.js": "~1.1.0",
     "escape-html": "^1.0.3",
-    "express": ">=4.14",
+    "express": ">=4.21.0",
     "express-session": "^1.14.2",
     "file-saver": "^1.3.3",
     "flowchart.js": "^1.6.4",