diff --git a/.travis.yml b/.travis.yml
index fa7efc7..0c4f743 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,6 +16,10 @@ cache:
   directories:
     - $HOME/.composer/cache
 
+matrix:
+  allow_failures:
+    - php: hhvm
+
 before_script:
   - travis_retry composer self-update
   - travis_retry composer update ${COMPOSER_FLAGS} --no-interaction --prefer-dist