diff --git a/.travis.yml b/.travis.yml
index 0624eaf..204dc63 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,4 +14,5 @@ php:
   - 7.1
   - hhvm
 
-script: vendor/bin/phpunit --coverage-text tests
\ No newline at end of file
+script:
+  - if [[ "$TRAVIS_PHP_VERSION" == '5.6' ]]; then phpunit --coverage-text tests ; fi
\ No newline at end of file