diff --git a/antora.yml b/antora.yml
index e6dc4e738b..ec08ba5ea1 100644
--- a/antora.yml
+++ b/antora.yml
@@ -11,6 +11,7 @@ asciidoc:
     bonitaTechnicalVersion: '10.1.0' # latest public community version
     minimalRequiredJavaVersion: '17'
     javadocVersion: '10.1'
+    keycloakDocumentationVersion: 21.1.2
     openApiUrl: 'https://api-documentation.bonitasoft.com'
     cscRootUrl: https://csc.bonitacloud.bonitasoft.com/apps/CustomerServices
     cscDownloadUrl: '{cscRootUrl}/downloads'