.travis.yml in sberbank-acquiring-0.1.0 vs .travis.yml in sberbank-acquiring-0.2.0

@@ -7,5 +7,6 @@
   - 2.4.4
   - 2.5.1
   - 2.6.0
   - jruby
 before_install: gem install bundler -v 1.16.2
+cache: bundler