diff --git a/package.json b/package.json
index 1444532..5a8fa4f 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   , "author": "@OKFN"
   , "license": "MIT"
   , "dependencies": {
-      "express": "~3.2.6"
+      "express": "~4.17.1"
     ,  "nunjucks": "~0.1.8"
     ,  "i18n-abide": ""
     , "nconf": "0.7.1"