Zotero causes IP address blocking by PubMed

My IP address was recently blocked by Pubmed and this is the explanation they sent me:

"There has recently been an issue with the third party application called Zotero. This app is making 100's of requests for the same pdf files over and over again. This causes out automatic security software to temporarily block the site. Anyone using this app on your network to view pdf files can cause the IP to be blocked. The makers of Zotero should be contacted and made aware of this potential bug. Officially, NCBI does not support third party programs or application for viewing PMC pdf files. "

Hopefully this can be fixed! Cheers
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