diff --git a/config/production.json b/config/production.json
index 22649b6..9ae5a47 100644
--- a/config/production.json
+++ b/config/production.json
@@ -44,5 +44,8 @@
   "dataset": {
     "title": "demo",
     "versionsRepositoryURL": "https://github.com/OpenTermsArchive/demo-versions"
+  },
+  "api": {
+    "port": 3000
   }
 }