diff --git a/antora.yml b/antora.yml
index b8873c9f..45162746 100644
--- a/antora.yml
+++ b/antora.yml
@@ -5,3 +5,9 @@ start_page: hello-world:overview.adoc
 nav:
 - modules/ROOT/nav.adoc
 server_version: '7.1.2'
+ext:
+  preview:
+    HEAD:
+      sources:
+        docs-sdk-common:
+          branches: release/7.1.2