diff --git a/package.json b/package.json
index 688a1e186..5ebb34a40 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "debug": "~2.6.0",
     "decimal.js": "7.2.3",
     "electrum-client": "github:chaintools/node-electrum-client#43a999036f9c5",
-    "express": "^4.16.4",
+    "express": "^4.20.0",
     "express-session": "1.15.6",
     "jstransformer-markdown-it": "^2.0.0",
     "lru-cache": "4.1.3",