diff --git a/antora-playbook.yml b/antora-playbook.yml
index a52277ae..396c6d27 100644
--- a/antora-playbook.yml
+++ b/antora-playbook.yml
@@ -244,6 +244,33 @@ ui:
         static_files: [ netlify.toml ]
 antora:
   extensions:
+    - require: '@djencks/antora-aggregate-collector'
+      trace: true
+      componentversions:
+        - name: hazelcast
+          version: '6.0-snapshot'
+          mappings:
+            - module: maintain-cluster
+              family: attachment
+              origin:
+                url:
+                  include:
+                    - '**/hazelcast/hazelcast-mono'
+                branch:
+                  includes:
+                    - 'master'
+        - name: hazelcast
+          version: '5.5'
+          mappings:
+            - module: maintain-cluster
+              family: attachment
+              origin:
+                url:
+                  include:
+                    - '**/hazelcast/hazelcast-mono'
+                branch:
+                  includes:
+                    - '5.5.z'
     - require: ./lib/api_json.js
       tags:
         - Favorites
diff --git a/package.json b/package.json
index f91e684e..ae4891f2 100644
--- a/package.json
+++ b/package.json
@@ -26,6 +26,7 @@
   "devDependencies": {
     "@antora/cli": "^3.1.1",
     "@antora/site-generator": "^3.1.1",
+    "@djencks/antora-aggregate-collector": "^0.1.0-beta.1",
     "asciidoctor-kroki": "^0.15.0",
     "ngrok": "^4.2.2",
     "serve": "^13.0.2"