diff --git a/antora-playbook-local.yml b/antora-playbook-local.yml
index 74fa48bb..c6fc5995 100644
--- a/antora-playbook-local.yml
+++ b/antora-playbook-local.yml
@@ -173,7 +173,7 @@ content:
     branches: master
     start_path: docs
   - url: https://github.com/hazelcast/management-center
-    branches: [master]
+    branches: master
     start_path: src/openapi/external
   - url: https://github.com/hazelcast/management-center
     branches: [5.1.z, 5.2.z, 5.3.0]
diff --git a/antora-playbook.yml b/antora-playbook.yml
index c6ea5d3a..4bbb087c 100644
--- a/antora-playbook.yml
+++ b/antora-playbook.yml
@@ -176,7 +176,7 @@ content:
     branches: master
     start_path: docs
   - url: https://github.com/hazelcast/management-center
-    branches: [master]
+    branches: master
     start_path: src/openapi/external
   - url: https://github.com/hazelcast/management-center
     branches: [5.1.z, 5.2.z, 5.3.0]