diff --git a/.travis.yml b/.travis.yml
index 01b5c42..331173c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,6 +13,7 @@ script:
 
 before_deploy:
   - composer install
+  - composer dump-autoload --optimize
   - tar -czf "pico-release-$TRAVIS_TAG.tar.gz" .htaccess README.md CHANGELOG.md CONTRIBUTING.md composer.json composer.lock LICENSE config content-sample lib plugins themes vendor index.php
 
 deploy: