diff --git a/.gitignore b/.gitignore
index a67f91e..07e1216 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,4 +7,25 @@
 /public/bundles/
 /var/
 /vendor/
+/lib/
 ###< symfony/framework-bundle ###
+
+###> squizlabs/php_codesniffer ###
+/.phpcs-cache
+/phpcs.xml
+###< squizlabs/php_codesniffer ###
+
+###> friendsofphp/php-cs-fixer ###
+/.php-cs-fixer.php
+/.php-cs-fixer.cache
+###< friendsofphp/php-cs-fixer ###
+
+###> symfony/phpunit-bridge ###
+.phpunit.result.cache
+/phpunit.xml
+###< symfony/phpunit-bridge ###
+
+###> phpunit/phpunit ###
+/phpunit.xml
+.phpunit.result.cache
+###< phpunit/phpunit ###