.travis.yml in bitzer_store-1.0.3 vs .travis.yml in bitzer_store-1.1.0

@@ -6,13 +6,13 @@
 cache: bundler
 rvm:
   - 2.2.9
   - 2.3.6
   - 2.4.3
-  - 2.5.0
+  - 2.5.1
 gemfile:
-  - gemfiles/rails42.gemfile
   - gemfiles/rails50.gemfile
   - gemfiles/rails51.gemfile
+  - gemfiles/rails52.gemfile
 matrix:
   fast_finish: true
 bundler_args: --jobs 3 --retry 3