Travis CI: Ruby 2.5.0でテストできるようにgemを更新する

参照: travis-ci/travis-ci#8978
cre-ne-jp · Jan 8, 2018 · 9ff7a05 · 9ff7a05
1 parent 3c8b993
commit 9ff7a05
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -8,6 +8,9 @@ rvm:
   - 2.3.6
   - 2.4.3
   - 2.5.0
+before_install:
+  # https://github.com/travis-ci/travis-ci/issues/8978#issuecomment-354036443
+  - gem update --system
 notifications:
   irc:
     use_notice: true