Ensure rubygems is up-to-date on travis

- See travis-ci/travis-ci#8969
2018-04-03 17:13:27 -07:00
parent a978f50f1d
commit 1decb14807
1 changed files with 1 additions and 0 deletions
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,7 @@ sudo: false

 rvm: 2.5

+before_install: gem update --system
 script: $TEST_COMMAND

 env: