diff --git a/.travis.yml b/.travis.yml
index e2cdc13..316d710 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,4 +4,5 @@ script: bundle exec rspec spec
 rvm:
   - 2.5
   - 2.6
+  - 2.7.0.preview1
   - ruby-head
\ No newline at end of file