diff --git a/.travis.yml b/.travis.yml
index f6bd28d..f829861 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,7 +8,7 @@ php:
 
 before_script:
   - composer self-update
-  - composer install --prefer-source --no-interaction --dev
+  - composer install --prefer-source --no-interaction
 
 after_script: php vendor/bin/coveralls