diff --git a/redmine/tpl/values.toml b/redmine/tpl/values.toml
index bc545973e..f24233442 100644
--- a/redmine/tpl/values.toml
+++ b/redmine/tpl/values.toml
@@ -2,3 +2,4 @@ mariadbPassword = ""
 redmineUser = ""
 redminePassword = ""
 redmineEmail = ""
+redmineLanguage = ""