diff --git a/.travis.yml b/.travis.yml
index 54c9b6a..a4fe2b7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,12 +1,12 @@
-dist: trusty
+dist: focal
 language: php
 
 php:
-  - 7.0
-  - 7.1
   - 7.2
   - 7.3
-  - hhvm
+  - 7.4
+  - 8.0
+  - 8.1
 
 # This triggers builds to run on the new TravisCI infrastructure.
 # See: http://docs.travis-ci.com/user/workers/container-based-infrastructure/
@@ -17,11 +17,6 @@ cache:
   directories:
     - $HOME/.composer/cache
 
-matrix:
-  include:
-    - php: 5.6
-      env: 'COMPOSER_FLAGS="--prefer-stable --prefer-lowest"'
-
 before_script:
   - travis_retry composer update ${COMPOSER_FLAGS} --no-interaction --prefer-dist