diff --git a/.travis.yml b/.travis.yml
index 04c5fe7..01c8581 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,6 +6,7 @@ rvm:
   - 2.5
   - 2.6
   - 2.7
+  - 3.0
   - ruby-head
 matrix:
   fast_finish: true