diff --git a/antora-playbook.yml b/antora-playbook.yml
index a1f2888abeb..7131862a51f 100644
--- a/antora-playbook.yml
+++ b/antora-playbook.yml
@@ -2,6 +2,7 @@ antora:
   extensions:
   - require: '@antora/atlas-extension'
   - require: '@springio/antora-extensions/latest-version-extension'
+  - require: '@springio/antora-extensions/override-navigation-builder-extension'
   - require: '@springio/antora-extensions/partial-build-extension'
   - require: '@springio/antora-extensions/publish-docsearch-config-extension'
   - require: '@springio/antora-extensions/static-page-extension'