diff --git a/package.json b/package.json
index 6035051..510465f 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "body-parser": "~1.19.0",
     "cookie-parser": "~1.4.3",
     "debug": "~4.1.1",
-    "express": "~4.15.5",
+    "express": "~4.17.1",
     "jquery": "^3.2.1",
     "level": "^2.1.1",
     "morgan": "~1.10.0",