Dovecot version mismatch

[SyYExroNZ]

OpenBSD 6.6 i386
dovecot-2.3.9.2v0

/var/log/maillog:
dovecot: auth: Fatal: Dovecot version mismatch: Master is v2.3.7.2, auth 
is v2.3.9.2 (if you don't care, set version_ignore=yes)