Try to fix RubyGems bug for Travis CI

More info [here](ku1ik/rainbow#49).
AlexWayfer · Jan 25, 2017 · d8dc6c3 · d8dc6c3
1 parent 71baa44
commit d8dc6c3
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -4,5 +4,6 @@ rvm:
   - 2.1.0
   - 2.3.3
   - 2.4.0
+before_install: gem update --system --no-doc
 after_success:
   - bundle exec codeclimate-test-reporter