.travis.yml in active_model_cachers-2.0.2 vs .travis.yml in active_model_cachers-2.0.3

@@ -11,9 +11,10 @@
 gemfile:
   - gemfiles/3.2.gemfile
   - gemfiles/4.2.gemfile
   - gemfiles/5.0.gemfile
   - gemfiles/5.1.gemfile
+  - gemfiles/5.2.gemfile
 addons:
     code_climate:
         repo_token: 02a53f73b72a95af756b1c0270d4b22a6f07d25a1c65048e341371e7b72671d9
 after_success:
   - bundle exec codeclimate-test-reporter