update bundler version on Travis

e2 · e2 · commit b64b41690f58 · 2016-08-03T00:31:31.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -5,5 +5,5 @@ rvm:
   - 2.2.5
   - 2.3.1
   - jruby-9.1.2.0
-before_install: gem install bundler -v 1.12.1
+before_install: gem install bundler -v 1.12.5
 cache: bundler
