Update .travis.yml

This commit is contained in:
John Davidson 2019-01-02 21:37:51 +02:00 committed by GitHub
parent da06f9d73f
commit 6355d261b1
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23

View File

@ -8,7 +8,7 @@ sudo: required
addons:
apt:
sources:
- docker-xenial
- docker-xenial
packages:
- docker