diff --git a/docs/antora.yml b/docs/antora.yml
index 95366d660..dd0540dea 100644
--- a/docs/antora.yml
+++ b/docs/antora.yml
@@ -1,5 +1,5 @@
 name: rubocop-ast
 title: RuboCop AST
-version: '1.9'
+version: master
 nav:
 - modules/ROOT/nav.adoc