Unknown or incorrect time zone: 'Europe/Berlin'

ahmet@testserver1:~$ mysql -u root -p
Enter password:
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Your MariaDB connection id is 219
Server version: 10.1.38-MariaDB-0ubuntu0.18.04.1 Ubuntu 18.04

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Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

MariaDB [(none)]> SET time_zone = 'Europe/Berlin';
ERROR 1298 (HY000): Unknown or incorrect time zone: 'Europe/Berlin'

ahmet@testserver1:~$ mysql_tzinfo_to_sql /usr/share/zoneinfo/|mysql -u root mysql -p
Enter password:
Warning: Unable to load '/usr/share/zoneinfo//leap-seconds.list' as time zone. Skipping it.