diff --git a/.travis.yml b/.travis.yml
index a9f4452..db5e1c1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,7 @@ rvm:
   - 2.4
   - 2.5
   - 2.6
+  - 2.7
   - jruby-9.2.8.0
   - ruby-head
 before_install:
@@ -23,6 +24,8 @@ matrix:
       gemfile: gemfiles/6.0.gemfile
     - rvm: 2.4
       gemfile: gemfiles/6.0.gemfile
+    - rvm: 2.7
+      gemfile: gemfiles/4.2.gemfile
   fast_finish: true
   allow_failures:
     - rvm: ruby-head