diff --git a/.travis.yml b/.travis.yml
index 0cdef79..ece5255 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -75,9 +75,11 @@ jobs:
 
       before_install:
         - phpenv config-rm xdebug.ini
+        - composer validate
 
       install:
         - composer install
 
       script:
+        - composer normalize --dry-run
         - vendor/bin/php-cs-fixer fix --diff --dry-run --verbose