travis fix #1: dist upgrade

diff --git a/.travis.yml b/.travis.yml
index b3e09030eed79e435d84f6e2cef256b82954ba40..7d143d190ee885cb6d2babbf36f513eb5994d07b 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,7 +12,7 @@ addons:
             - xz-utils
             - zip
 os: linux
-dist: xenial
+dist: bionic
 before_install:
     - cpanm local::lib
     - eval "$(perl -Mlocal::lib=$HOME/perl_modules)"