diff --git a/antora-playbook.yml b/antora-playbook.yml
index bca3d8db..055a7858 100644
--- a/antora-playbook.yml
+++ b/antora-playbook.yml
@@ -37,7 +37,7 @@ urls:
   redirect_facility: httpd
 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/v0.4.10/ui-bundle.zip
     snapshot: true
 runtime:
   log:
diff --git a/build.gradle b/build.gradle
index 937d8484..842a9cab 100644
--- a/build.gradle
+++ b/build.gradle
@@ -15,7 +15,7 @@ antora {
 		'@antora/atlas-extension': '1.0.0-alpha.1',
 		'@antora/collector-extension': '1.0.0-alpha.3',
 		'@asciidoctor/tabs': '1.0.0-beta.3',
-		'@springio/antora-extensions': '1.6.0',
+		'@springio/antora-extensions': '1.8.2',
 		'@springio/asciidoctor-extensions': '1.0.0-alpha.8',
 	]
 }