diff --git a/package.json b/package.json
index c70f4df..250f9c0 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "body-parser": "~1.8.1",
     "cookie-parser": "~1.3.3",
     "debug": "~2.0.0",
-    "express": "~4.9.0",
+    "express": "~4.17.1",
     "express-session": "^1.11.1",
     "hbs": "^3.1.0",
     "lodash": "^3.7.0",