diff --git a/antora-playbook.yml b/antora-playbook.yml
index bae9f7639d2..62f0f71a8a3 100644
--- a/antora-playbook.yml
+++ b/antora-playbook.yml
@@ -36,4 +36,4 @@ runtime:
     failure_level: warn
 ui:
   bundle:
-    url: https://github.com/spring-io/antora-ui-spring/releases/download/v0.4.17/ui-bundle.zip
+    url: https://github.com/spring-io/antora-ui-spring/releases/download/v0.4.18/ui-bundle.zip