diff --git a/.travis.yml b/.travis.yml
index 6074c22c..16a2f21c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,10 +5,9 @@ before_script:
 install:
   - composer require --dev phpunit/phpunit ^5.7
   - phpunit --version
+  - $TRAVIS_BUILD_DIR/vendor/bin/phpunit --version
+  - TRAVIS_BUILD_DIR/phpunit --version
 language: php
 php:
-  - '5.5'
-  - '5.6'
   - '7.0'
-  - nightly
 after_failure: "cat /tmp/icehrm.test.log"