diff --git a/.github/workflows/rebuild-search-index.yml b/.github/workflows/rebuild-search-index.yml
new file mode 100644
index 0000000..3bd2a49
--- /dev/null
+++ b/.github/workflows/rebuild-search-index.yml
@@ -0,0 +1,27 @@
+name: Rebuild Search Index
+on:
+  workflow_dispatch:
+permissions: read-all
+jobs:
+  build:
+    if: github.repository_owner == 'spring-projects'
+    runs-on: ubuntu-latest
+    env:
+      CONFIG_FILE: .github/actions/docsearch-config.json
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+      with:
+        fetch-depth: 5
+    - name: Configure Indexer
+      run: |
+        curl -sL -o $CONFIG_FILE $(node -p "require('fs').readFileSync('antora-playbook.yml', 'utf8').match(/^  url: (.*)/m)[1]")/docsearch-config.json
+        INDEX_NAME=$(node -p "JSON.parse(require('fs').readFileSync('$CONFIG_FILE')).index_name")
+        echo "INDEX_NAME_TMP=${INDEX_NAME}-${GITHUB_RUN_ID}" >> $GITHUB_ENV
+    - name: Run Indexer
+      uses: darrenjennings/algolia-docsearch-action@master
+      with:
+        algolia_application_id: ${{ secrets.ALGOLIA_APPLICATION_ID }}
+        algolia_api_key: ${{ secrets.ALGOLIA_WRITE_KEY }}
+        file: ${{ env.CONFIG_FILE }}
+
diff --git a/build.gradle b/build.gradle
index d3f4b9a..1540803 100644
--- a/build.gradle
+++ b/build.gradle
@@ -10,11 +10,11 @@ node {
 antora {
     version = '3.2.0-alpha.2'
 	options = [clean: true, fetch: true, stacktrace: true]
-	// environment = [
-	// 	'ALGOLIA_API_KEY': '82c7ead946afbac3cf98c32446154691',
-	// 	'ALGOLIA_APP_ID': '244V8V9FGG',
-	// 	'ALGOLIA_INDEX_NAME': 'spring-security-kerberos-docs'
-	// ]
+	environment = [
+		'ALGOLIA_API_KEY': '82c7ead946afbac3cf98c32446154691',
+		'ALGOLIA_APP_ID': '244V8V9FGG',
+		'ALGOLIA_INDEX_NAME': 'spring-security-kerberos-docs'
+	]
 	dependencies = [
 			'@antora/atlas-extension': '1.0.0-alpha.1',
 			'@antora/collector-extension': '1.0.0-alpha.3',