[TYPO3-english] Seo_basics sitemap.xml incorrect timestamp

[Karin Meulengrath]

Hello list

I have a 4.5.25 installation with SEO_BASICS 0.8.3

My marinaguide.dk/sitemap.xml doesn't update and shows the wrong time 
for changing the pages.

Anything I can do?

Thanks
Karin Meulengrath