diff --git a/antora-commercial-playbook.yml b/antora-commercial-playbook.yml
index 3becda07333..c8f09b932d4 100644
--- a/antora-commercial-playbook.yml
+++ b/antora-commercial-playbook.yml
@@ -3,6 +3,7 @@ antora:
   - 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/set-algolia-env-extension'
   - require: '@springio/antora-extensions/static-page-extension'
diff --git a/antora-playbook.yml b/antora-playbook.yml
index 03c8b7d6660..7c1112bc4ba 100644
--- a/antora-playbook.yml
+++ b/antora-playbook.yml
@@ -3,6 +3,7 @@ antora:
   - 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/set-algolia-env-extension'
   - require: '@springio/antora-extensions/static-page-extension'