diff --git a/antora/package.json b/antora/package.json
index 588a2406536..5397b9768ac 100644
--- a/antora/package.json
+++ b/antora/package.json
@@ -13,6 +13,6 @@
     "@springio/asciidoctor-extensions": "1.0.0-alpha.10"
   },
   "config": {
-    "ui-bundle-url": "https://github.com/spring-io/antora-ui-spring/releases/download/v0.4.11/ui-bundle.zip"
+    "ui-bundle-url": "https://github.com/spring-io/antora-ui-spring/releases/download/v0.4.12/ui-bundle.zip"
   }
 }