diff --git a/.travis.yml b/.travis.yml
index 38c4df1..ef786d1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -75,7 +75,7 @@ before_install:
   - composer require "wordpress/wordpress:${WP_VERSION}" --dev --prefer-source --no-update
 
 install:
-  - composer update --prefer-source --no-interaction --dev --optimize-autoloader
+  - composer update --prefer-source --no-interaction --optimize-autoloader
   - npm install
 
 before_script: