Release 5.0.0-alpha-4: update sitemap
diff --git a/site/src/site/sitemap-dev.groovy b/site/src/site/sitemap-dev.groovy
index e28e16c..4548cef 100644
--- a/site/src/site/sitemap-dev.groovy
+++ b/site/src/site/sitemap-dev.groovy
@@ -84,9 +84,9 @@
             a(href: 'versioning.html', 'version')
             yield ' of Groovy designed for JDK11+. Alpha releases are not recommended for production use.'
         }
-        version('5.0.0-alpha-3') {
+        version('5.0.0-alpha-4') {
             stable false
-//            windowsInstaller 'https://groovy.jfrog.io/artifactory/dist-release-local/groovy-windows-installer/groovy-5.0.0-alpha-3/'
+//            windowsInstaller 'https://groovy.jfrog.io/artifactory/dist-release-local/groovy-windows-installer/groovy-5.0.0-alpha-4/'
         }
         version('5.0.0-alpha-2') {
             stable false
diff --git a/site/src/site/sitemap-user.groovy b/site/src/site/sitemap-user.groovy
index 3eff0f7..2e2bd70 100644
--- a/site/src/site/sitemap-user.groovy
+++ b/site/src/site/sitemap-user.groovy
@@ -92,7 +92,7 @@
             '2.6.0-alpha-1', '2.6.0-alpha-2', '2.6.0-alpha-3', '2.6.0-alpha-4',
             '3.0.0', '3.0.1', '3.0.2', '3.0.3', '3.0.4', '3.0.5', '3.0.6', '3.0.7', '3.0.8', '3.0.9', '3.0.10', '3.0.11', '3.0.12', '3.0.13', '3.0.14', '3.0.15', '3.0.16', '3.0.17', '3.0.18', '3.0.19',
             '4.0.0-rc-1', '4.0.0-rc-2', '4.0.0', '4.0.1', '4.0.2', '4.0.3', '4.0.4', '4.0.5', '4.0.6', '4.0.7', '4.0.8', '4.0.9', '4.0.10', '4.0.11', '4.0.12', '4.0.13', '4.0.14', '4.0.15', '4.0.16',
-            '5.0.0-alpha-1', '5.0.0-alpha-2', '5.0.0-alpha-3'
+            '5.0.0-alpha-1', '5.0.0-alpha-2', '5.0.0-alpha-3', '5.0.0-alpha-4'
     ])
 
     section('Getting started','fa-graduation-cap') {