diff --git a/.travis.yml b/.travis.yml
index dd66f3a..8d62ce6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,8 +20,8 @@ before_script:
   - if [[ $setup = 'coveralls' ]]; then travis_retry composer require "satooshi/php-coveralls=~0.7" --prefer-dist --no-interaction --dev; fi
 
 script:
-  - if [[ $coverage = 'yes' ]]; then phpunit -c phpunit.xml --coverage-clover build/logs/clover.xml; fi
-  - if [[ $coverage = 'no' ]]; then phpunit -c phpunit.xml; fi
+  - if [[ $coverage = 'yes' ]]; then vendor/bin/phpunit -c phpunit.xml --coverage-clover build/logs/clover.xml; fi
+  - if [[ $coverage = 'no' ]]; then vendor/bin/phpunit -c phpunit.xml; fi
 
 after_script:
   - if [[ $setup = 'coveralls' ]]; then php vendor/bin/coveralls -v; fi
diff --git a/composer.json b/composer.json
index 6103270..cf8e1ee 100644
--- a/composer.json
+++ b/composer.json
@@ -25,7 +25,8 @@
     "require-dev": {
         "illuminate/auth": "~5.3.0",
         "illuminate/database": "~5.3.0",
-        "mockery/mockery": "^0.9.4"
+        "mockery/mockery": "^0.9.4",
+        "phpunit/phpunit": "~5.7"
     },
     "extra": {
         "branch-alias": {