diff --git a/.travis.yml b/.travis.yml
index 4e44bfa..89afae0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -21,9 +21,8 @@ env:
 before_script:
   - export PATH=~/.composer/vendor/bin:$PATH
   - composer validate
-  - composer install --dev --prefer-dist
   - composer require --prefer-dist --no-update silverstripe/recipe-core:5.x-dev
-  - composer update
+  - composer install --prefer-source --no-interaction --no-progress --no-suggest --optimize-autoloader --verbose --profile
   - if [[ $PHPCS_TEST ]]; then composer global require squizlabs/php_codesniffer:^3 --prefer-dist --no-interaction --no-progress --no-suggest -o; fi
   - phpenv rehash