diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index cbb48eae3ad9394d72a11510ca65c7d442ccf8a8..3eecdac11dba2ad72c99e1dfd730b0a8b2598017 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -17,6 +17,7 @@ stages:
 .test_defaults: &test_defaults
   script:
     - sudo update-alternatives --set php "/usr/bin/${PHP}"
+    - composer validate
     - composer install
     - composer test
 
diff --git a/composer.json b/composer.json
index 74c5f01f78e9e3a584d460bc65dfb91a844fba19..42399add6d92c89785d170c1bb8445e8b418337b 100644
--- a/composer.json
+++ b/composer.json
@@ -1,5 +1,6 @@
 {
     "name": "dbp/relay-core-bundle",
+    "description": "The core bundle of the Relay API gateway",
     "type": "symfony-bundle",
     "license": "AGPL-3.0-or-later",
     "require": {