Year range House of Anubis

Currently, the year range for House of Anubis (https://www.imdb.com/title/tt1638319/reference/) is listed as 2011-2023. 

However, as you can see, all episodes listed are from 2011-2013.

Dutch movie and tv database Moviemeter also has a year range of 2011-2013: https://www.moviemeter.nl/series/show/4157 

The same goes for Epguides.com: https://www.epguides.com/HouseofAnubis/ 

And tvmaze.com as well: https://www.tvmaze.com/shows/966/house-of-anubis/seasons 

Can a staffer look into this and change the year range please?