diff --git a/.travis.yml b/.travis.yml
index da34962..8d258d4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,5 @@
 language: php
 
-dist: trusty
-
 php:
   - 5.4
   - 5.5
@@ -9,4 +7,7 @@ php:
   - 7.0
   - 7.1
   - 7.2
-  - hhvm
\ No newline at end of file
+  - hhvm
+
+script:
+  - if [[ "$TRAVIS_PHP_VERSION" == '5.6' ]]; then phpunit --coverage-text tests ; fi
\ No newline at end of file