diff --git a/.travis.yml b/.travis.yml
index b17af22..d6d6650 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,7 @@ rvm:
   - 2.5
   - 2.6
   - 2.7
+  - 3.0
   - ruby-head
 
 group: travis_lts