.travis.yml in simple-navigation-4.2.0 vs .travis.yml in simple-navigation-4.3.0

@@ -1,10 +1,16 @@
 before_install:
   - gem install bundler
 
 matrix:
   include:
+  - rvm: 2.5.8
+    gemfile: gemfiles/rails-6-1-stable.gemfile
+  - rvm: 2.6.7
+    gemfile: gemfiles/rails-6-1-stable.gemfile
+  - rvm: 2.7.3
+    gemfile: gemfiles/rails-6-1-stable.gemfile
   - rvm: 2.5.3
     gemfile: gemfiles/rails-6-0-stable.gemfile
   - rvm: 2.6.0
     gemfile: gemfiles/rails-6-0-stable.gemfile
   - rvm: 2.5.1
@@ -13,6 +19,5 @@
     gemfile: gemfiles/rails-4-2-stable.gemfile
   - rvm: 2.3.3
     gemfile: gemfiles/rails-4-1-stable.gemfile
   - rvm: 2.3.3
     gemfile: gemfiles/rails-3-2-stable.gemfile
-  
\ No newline at end of file