diff --git a/.travis.yml b/.travis.yml
index ea7a3bf..194c26a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,20 +1,20 @@
 language: php
 
 php:
-  - 5.3
-  - 5.4
   - 5.5
   - 5.6
+  - 7.1
+  - 7.2
   - hhvm
 
 matrix:
   fast_finish: true
   allow_failures:
     - php:
-      - 5.3
-      - 5.4
       - 5.5
       - 5.6
+      - 7.1
+      - 7.2
       - hhvm
 
 mysql:
@@ -55,6 +55,9 @@ before_script:
   - mysql -e 'create database travis_ci_drupal_module_example_test'
   - php -d sendmail_path=`which true` ~/.composer/vendor/bin/drush.php --yes core-quick-drupal --profile=testing --no-server --db-url=mysql://root:@127.0.0.1/travis_ci_drupal_module_example_test --enable=simpletest travis_ci_drupal_module_example_test
 
+  # Update PHPUnit for Drupal 8.6+ and PHP 7+.
+  - composer run-script drupal-phpunit-upgrade
+
   # reference and enable travis_ci_drupal_module_example in build site
   - ln -s $(readlink -e $(cd -)) travis_ci_drupal_module_example_test/drupal/sites/all/modules/travis_ci_drupal_module_example
   - cd travis_ci_drupal_module_example_test/drupal