diff --git a/.travis.yml b/.travis.yml
index df61453..ba07818 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,18 +7,25 @@ php:
   - 5.4
   - 5.5
   - 5.6
+  - 7.0
   - hhvm
 
 matrix:
   include:
+    - php: 5.5
+      env: COMPOSER_FLAGS='--prefer-lowest --prefer-stable'
     - php: 5.6
       env: COMPOSER_FLAGS='--prefer-lowest --prefer-stable'
+    - php: 7.0
+      env: COMPOSER_FLAGS='--prefer-lowest --prefer-stable'
+    - php: hhvm
+      env: COMPOSER_FLAGS='--prefer-lowest --prefer-stable'
   fast_finish: true
 
 before_script:
   - composer self-update
   - composer update $COMPOSER_FLAGS --prefer-source
 
-script: ./vendor/bin/phpunit --coverage-text --coverage-clover ./build/logs/clover.xml
+script: ./vendor/bin/phpunit --coverage-clover ./build/logs/clover.xml
 
 after_script: php vendor/bin/coveralls