diff --git a/package.json b/package.json
index a3e2ab3..6ee7a2d 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "bulma": "0.7.4",
     "compression": "1.7.4",
     "cross-env": "5.2.0",
-    "express": "4.16.4",
+    "express": "4.20.0",
     "intersection-observer-polyfill": "0.1.0",
     "localforage": "1.7.3",
     "lru-cache": "5.1.1",