diff --git a/composer.json b/composer.json
index 304056e8..e91ead3a 100644
--- a/composer.json
+++ b/composer.json
@@ -32,6 +32,7 @@
         "magento/zendframework1": "1.12.9-patch1",
         "composer/composer": "1.0.0-alpha8",
         "monolog/monolog": "1.11.0",
+        "tubalmartin/cssmin": "2.4.8-p4",
         "magento/magento2-base": "self.version",
         "magento/module-admin-notification": "self.version",
         "magento/module-authorization": "self.version",
@@ -60,6 +61,7 @@
         "magento/module-customer": "self.version",
         "magento/module-customer-import-export": "self.version",
         "magento/module-design-editor": "self.version",
+        "magento/module-developer": "self.version",
         "magento/module-dhl": "self.version",
         "magento/module-directory": "self.version",
         "magento/module-downloadable": "self.version",