diff --git a/docs/antora.yml b/docs/antora.yml
index 0ae5b21792..fe004e38a4 100644
--- a/docs/antora.yml
+++ b/docs/antora.yml
@@ -1,2 +1,3 @@
 name: ROOT
-version: '5.6'
+version: '5.6.0'
+prerelease: '-SNAPSHOT'