samba - Apr 2019 - gpg: Note: This key has expired! (am I missing something?)

prompt> wget https://www.samba.org/samba/ftp/samba-pubkey.asc
prompt> gpg --import samba-pubkey.asc

gpg: key 6568B7EA: public key "Samba Distribution Verification Key
<samba-bugs at samba.org>" imported
gpg: Total number processed: 1
gpg:               imported: 1
gpg: no ultimately trusted keys found

prompt> gpg --verify samba-4.8.11.tar.asc

gpg: Signature made Fri 05 Apr 2019 01:29:29 AM MDT using DSA key ID 6568B7EA
gpg: Good signature from "Samba Distribution Verification Key
<samba-bugs at samba.org>"
gpg: Note: This key has expired!
Primary key fingerprint: 52FB C0B8 6D95 4B08 4332  4CDC 6F33 915B 6568 B7EA

Expired key?

Cheers,
Zube