.travis.yml in pwinty-3.0.6 vs .travis.yml in pwinty-3.0.7

@@ -1,10 +1,10 @@
 sudo: false
 language: ruby
 cache: bundler
 rvm:
 - 2.5.5
-before_install: gem install bundler -v 1.17.3
+before_install: gem install bundler -v 2.2.10
 before_script:
 - curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64
   > ./cc-test-reporter
 - chmod +x ./cc-test-reporter
 - "./cc-test-reporter before-build"