Update ruby/bundler during travis runs

This relates to a number of issues: rubygems/rubygems#2123 Starkast/wikimum@569b0ca
voxpupuli · Apr 28, 2018 · 558d1fb · 558d1fb
1 parent f3dc0b5
commit 558d1fb
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/moduleroot/.travis.yml.erb b/moduleroot/.travis.yml.erb
@@ -22,7 +22,9 @@ addons:
   <%- end -%>
 <%- end -%>
 before_install:
-  - rm -f Gemfile.lock
+  - 'rm -f Gemfile.lock'
+  - 'gem update --system'
+  - 'gem install bundler'
 script:
   - 'bundle exec rake $CHECK'
 matrix: