diff --git a/.travis.yml b/.travis.yml
index dcca1df..1597538 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,9 +5,12 @@ matrix:
     - php: 5.6
     - php: 7.0
     - php: 7.1
+    - php: 7.2
     - php: 5.6
       env: COMPOSER_FLAGS="--prefer-lowest"
 #  - hhvm  # HHVM works fine but disabled as it conflicts with PHP-CS-Fixer
+  allow_failures:
+    - php: nightly
 
 before_script:
   - travis_retry composer self-update --no-progress