diff --git a/antora-playbook-with-worktrees.yml b/antora-playbook-with-worktrees.yml
index 5cbd1436d4..730851715e 100644
--- a/antora-playbook-with-worktrees.yml
+++ b/antora-playbook-with-worktrees.yml
@@ -1,6 +1,8 @@
 antora:
   extensions:
   - ./lib/antora/extensions/antora-linked-worktree-patch.js
+  - ./lib/antora/extensions/inject-collector-config.js
+  - '@antora/collector-extension'
   - ./lib/antora/extensions/version-fix.js
   - ./lib/antora/extensions/major-minor-segment.js
 runtime:
@@ -14,12 +16,10 @@ git:
   ensure_git_suffix: false
 content:
   sources:
-    - url: https://github.com/spring-io/spring-generated-docs
-      branches: 'spring-projects/spring-security/{main,5.{{6..9},{1..9}+({0..9})}.{x,+({0..9})}}'
     - url: .
-      branches: '{main,5.{{6..9},{1..9}+({0..9})}.x}'
+      branches: [main, '5.{{6..9},{1..9}+({0..9})}.x']
       worktrees: true # will automatically discover worktrees if they are set up; otherwise, will use git tree
-      tags: '5.{{6..9},{1..9}+({0..9})}.+({0..9})'
+      tags: '5.{{6..9},{1..9}+({0..9})}.+({0..9})?(-RC{1..9})'
       start_path: docs
 asciidoc:
   attributes:
diff --git a/antora-playbook.yml b/antora-playbook.yml
index cb16c25750..0eba9954c3 100644
--- a/antora-playbook.yml
+++ b/antora-playbook.yml
@@ -1,5 +1,7 @@
 antora:
   extensions:
+  - ./lib/antora/extensions/inject-collector-config.js
+  - '@antora/collector-extension'
   - ./lib/antora/extensions/version-fix.js
   - ./lib/antora/extensions/major-minor-segment.js
 runtime:
@@ -13,8 +15,6 @@ git:
   ensure_git_suffix: false
 content:
   sources:
-    - url: https://github.com/spring-io/spring-generated-docs
-      branches: 'spring-projects/spring-security/{main,5.{{6..9},{1..9}+({0..9})}.{x,+({0..9}?(-RC{1..9}))}}'
     - url: https://github.com/spring-projects/spring-security
       branches: [main, '5.{{6..9},{1..9}+({0..9})}.x']
       tags: '5.{{6..9},{1..9}+({0..9})}.+({0..9})?(-RC{1..9})'
diff --git a/lib/antora/extensions/inject-collector-config.js b/lib/antora/extensions/inject-collector-config.js
new file mode 100644
index 0000000000..f73f3a76cc
--- /dev/null
+++ b/lib/antora/extensions/inject-collector-config.js
@@ -0,0 +1,28 @@
+'use strict'
+
+const BASE_COMMAND = 'gradlew -PbuildSrc.skipTests=true'
+const JVM_ARGS='-Xmx3g -XX:+HeapDumpOnOutOfMemoryError'
+const REPO_URL = 'https://github.com/spring-projects/spring-security'
+const TASK_NAME=':spring-security-docs:generateAntora'
+
+module.exports.register = function () {
+  this.once('contentAggregated', ({ contentAggregate }) => {
+    for (const { origins } of contentAggregate) {
+      for (const origin of origins) {
+        if (origin.url === REPO_URL && origin.descriptor.ext?.collector === undefined) {
+          origin.descriptor.ext = {
+            collector: {
+              run: {
+                command: `${BASE_COMMAND} "-Dorg.gradle.jvmargs=${JVM_ARGS}" ${TASK_NAME}`,
+                local: true,
+              },
+              scan: {
+                dir: './build/generateAntora',
+              },
+            }
+          }
+        }
+      }
+    }
+  })
+}
diff --git a/package.json b/package.json
index e79a9923ee..5fad75403b 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,8 @@
   "private": true,
   "dependencies": {
     "@antora/cli": "^3.1.0",
-    "@antora/site-generator-default": "^3.1.0"
+    "@antora/site-generator-default": "^3.1.0",
+    "@antora/collector-extension": "1.0.0-alpha.2"
   },
   "overrides": {
     "vinyl-fs": {