Latest Fedora delivers 6.520 version. Upstream released 6.54. When you have free time, please upgrade it.
Jitka, you're already an admin on that package, you should be able to do this yourself. I don't see a reason not to make the change, but if you want to allow for comments from others you can submit the change as a pull request.
A bug-fix release suitable for Fedora ≥ 30.