diff --git a/antora-playbook.yml b/antora-playbook.yml
index 3a1dbde5077..6948e37fa7c 100644
--- a/antora-playbook.yml
+++ b/antora-playbook.yml
@@ -42,5 +42,5 @@ runtime:
     failure_level: warn
 ui:
   bundle:
-    url: https://github.com/spring-io/antora-ui-spring/releases/download/v0.4.2/ui-bundle.zip
+    url: https://github.com/spring-io/antora-ui-spring/releases/download/v0.4.9/ui-bundle.zip
     snapshot: true
diff --git a/build.gradle b/build.gradle
index 1dd73a4b334..db590a1dc9a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -17,7 +17,7 @@ antora {
 			'@antora/collector-extension': '1.0.0-alpha.3',
 			'@asciidoctor/tabs': '1.0.0-beta.3',
 			'@opendevise/antora-release-line-extension': '1.0.0',
-			'@springio/antora-extensions': '1.6.0',
+			'@springio/antora-extensions': '1.7.0',
 			'@springio/asciidoctor-extensions': '1.0.0-alpha.9',
 	]
 }