.travis.yml in ianfleeton-paypal-express-0.8.6 vs .travis.yml in ianfleeton-paypal-express-0.8.7

- old
+ new

@@ -1,10 +1,12 @@
 before_install:
   - gem install bundler
 
 rvm:
-  - 2.5.6
-  - 2.6.4
+  - 2.7.2
+  - 3.0.0
+  - 3.1.0
 
 env:
-  - RAILS_VERSION="~> 5.0"
+  - RAILS_VERSION="~> 5.2"
   - RAILS_VERSION="~> 6.0"
+  - RAILS_VERSION="~> 7.0"