diff --git a/docs/antora-playbook.yml b/docs/antora-playbook.yml
index ba807ab9..fe2cc256 100644
--- a/docs/antora-playbook.yml
+++ b/docs/antora-playbook.yml
@@ -30,4 +30,4 @@ runtime:
     format: pretty
 ui:
   bundle:
-    url: https://github.com/spring-io/antora-ui-spring/releases/download/v0.4.15/ui-bundle.zip
+    url: https://github.com/spring-io/antora-ui-spring/releases/download/v0.4.11/ui-bundle.zip