Created attachment 217933 [details] yubico-piv-tool-2.1.1.diff
ChangeLog: https://developers.yubico.com/yubico-piv-tool/Release_Notes.html it's not affect FreeBSD, but maybe it's good to update plist for future updates.
A commit references this bug: Author: ume Date: Sun Sep 13 17:27:48 UTC 2020 New revision: 548491 URL: https://svnweb.freebsd.org/changeset/ports/548491 Log: Update to 2.1.1. PR: 249293 Submitted by: lwhsu Changes: head/security/yubico-piv-tool/Makefile head/security/yubico-piv-tool/distinfo
Thanks, committed!