diff --git a/.travis.yml b/.travis.yml
index 24bd2db..1b41b30 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,11 +13,11 @@ before_script:
   - yes "" | pecl install eio
   - echo "extension=\"eio.so\"" >> `php --ini | grep "Loaded Configuration" | sed -e "s|.*:\s*||"`
   - composer self-update
-  - composer install --dev
+  - composer install
 
 script:
   - vendor/bin/phpunit --coverage-text --coverage-clover build/logs/clover.xml
   - php vendor/bin/php-cs-fixer --diff --dry-run -v fix
 
 after_script:
-  - php vendor/bin/coveralls -v
\ No newline at end of file
+  - php vendor/bin/coveralls -v