diff --git a/lib/open_project/backlogs/engine.rb b/lib/open_project/backlogs/engine.rb
index 2470f8e864..47465013bb 100644
--- a/lib/open_project/backlogs/engine.rb
+++ b/lib/open_project/backlogs/engine.rb
@@ -88,7 +88,7 @@ module OpenProject::Backlogs
 
           version OpenProject::Backlogs::VERSION
 
-          requires_openproject ">= 3.0.0pre20"
+          requires_openproject ">= 3.0.0pre21"
 
           Redmine::AccessControl.permission(:edit_project).actions << "projects/project_done_statuses"
           Redmine::AccessControl.permission(:edit_project).actions << "projects/rebuild_positions"