diff --git a/.travis.yml b/.travis.yml
index 7cb474f..88bef0e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,9 +3,8 @@ php:
   - '5.4'
   - '5.6'
   - '7.0'
-  - hhvm # on Trusty only
   - nightly
 before_script:
-  - curl -sSfL -o ~/.phpenv/versions/hhvm/bin/phpunit https://phar.phpunit.de/phpunit-7.2.2.phar
+  - curl -sSfL -o ~/.phpenv/versions/hhvm/bin/phpunit https://phar.phpunit.de/phpunit-5.7.phar
 script:
 - phpunit --bootstrap autoload.php test/TplBlockTest.php