diff --git a/package.json b/package.json
index 62e7824..0ec1c58 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
   "dependencies": {
     "async": "^2.6.0",
     "ejs": "^2.5.6",
-    "express": "^4.15.2",
+    "express": "^4.21.2",
     "express-session": "^1.15.6",
     "request-promise": "^4.2.2"
   },