diff --git a/package.json b/package.json
index ae5339d..f0691ca 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
   },
   "dependencies": {
     "ejs": "3.1.7",
-    "express": "4.16.0"
+    "express": "4.21.0"
   },
   "engines": {
     "node": "0.12.7"