diff --git a/.travis.yml b/.travis.yml
index f560643..d3fa213 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,11 +2,12 @@ language: ruby
 os:
 - linux
 dist:
-- bionic
+- focal
 rvm:
 - 2.6
 - 2.7
 - 3.0
+- 3.1
 bundler_args: --jobs=2
 script:
 - bundle exec rspec