Upgrade to LibreSSL v3.4.3. LibreSSL V3.4.2 shipped along with OpenSSh V8.9.0.0 but it has a [security issue](https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.4.3-relnotes.txt), which was fixed in LibreSSL V3.4.3.