Make sure Travis is using latest docker version

https://docs.travis-ci.com/user/docker/#installing-a-newer-docker-version
2020-06-15 22:31:07 +02:00 · 2020-06-15 22:31:07 +02:00 · 767b032f4a
parent cd07ed644f
commit 767b032f4a
1 changed files with 5 additions and 0 deletions
--- a/.travis.yml
+++ b/.travis.yml
@ -3,6 +3,11 @@ language: minimal
 services:
  - docker

+addons:
+  apt:
+    packages:
+      - docker-ce
+
 script:
  - make docker-build