diff --git a/migrations/Version20251031141153.php b/migrations/Version20251031141153.php
new file mode 100644
index 0000000..d97f795
--- /dev/null
+++ b/migrations/Version20251031141153.php
@@ -0,0 +1,43 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+final class Version20251031141153 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Update domain_purchase cascade';
+    }
+
+    public function up(Schema $schema): void
+    {
+        // this up() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE domain_purchase DROP CONSTRAINT FK_72999E74115F0EE5');
+        $this->addSql('ALTER TABLE domain_purchase DROP CONSTRAINT FK_72999E744D085745');
+        $this->addSql('ALTER TABLE domain_purchase DROP CONSTRAINT FK_72999E74A76ED395');
+        $this->addSql('ALTER TABLE domain_purchase ALTER domain_id DROP NOT NULL');
+        $this->addSql('ALTER TABLE domain_purchase ADD CONSTRAINT FK_72999E74115F0EE5 FOREIGN KEY (domain_id) REFERENCES domain (ldh_name) ON DELETE CASCADE NOT DEFERRABLE INITIALLY IMMEDIATE');
+        $this->addSql('ALTER TABLE domain_purchase ADD CONSTRAINT FK_72999E744D085745 FOREIGN KEY (connector_id) REFERENCES connector (id) ON DELETE SET NULL NOT DEFERRABLE INITIALLY IMMEDIATE');
+        $this->addSql('ALTER TABLE domain_purchase ADD CONSTRAINT FK_72999E74A76ED395 FOREIGN KEY (user_id) REFERENCES "user" (id) ON DELETE SET NULL NOT DEFERRABLE INITIALLY IMMEDIATE');
+    }
+
+    public function down(Schema $schema): void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE domain_purchase DROP CONSTRAINT fk_72999e74115f0ee5');
+        $this->addSql('ALTER TABLE domain_purchase DROP CONSTRAINT fk_72999e744d085745');
+        $this->addSql('ALTER TABLE domain_purchase DROP CONSTRAINT fk_72999e74a76ed395');
+        $this->addSql('ALTER TABLE domain_purchase ALTER domain_id SET NOT NULL');
+        $this->addSql('ALTER TABLE domain_purchase ADD CONSTRAINT fk_72999e74115f0ee5 FOREIGN KEY (domain_id) REFERENCES domain (ldh_name) NOT DEFERRABLE INITIALLY IMMEDIATE');
+        $this->addSql('ALTER TABLE domain_purchase ADD CONSTRAINT fk_72999e744d085745 FOREIGN KEY (connector_id) REFERENCES connector (id) NOT DEFERRABLE INITIALLY IMMEDIATE');
+        $this->addSql('ALTER TABLE domain_purchase ADD CONSTRAINT fk_72999e74a76ed395 FOREIGN KEY (user_id) REFERENCES "user" (id) NOT DEFERRABLE INITIALLY IMMEDIATE');
+    }
+}
diff --git a/src/Entity/DomainPurchase.php b/src/Entity/DomainPurchase.php
index 3d6c1c6..3ec0a5d 100644
--- a/src/Entity/DomainPurchase.php
+++ b/src/Entity/DomainPurchase.php
@@ -15,7 +15,7 @@ class DomainPurchase
     private ?string $id;
 
     #[ORM\ManyToOne(inversedBy: 'domainPurchases')]
-    #[ORM\JoinColumn(referencedColumnName: 'ldh_name', nullable: false)]
+    #[ORM\JoinColumn(referencedColumnName: 'ldh_name', onDelete: 'CASCADE')]
     private ?Domain $domain = null;
 
     #[ORM\Column]
@@ -28,9 +28,11 @@ class DomainPurchase
     private ?ConnectorProvider $connectorProvider = null;
 
     #[ORM\ManyToOne(inversedBy: 'domainPurchases')]
+    #[ORM\JoinColumn(referencedColumnName: 'id', nullable: true, onDelete: 'SET NULL')]
     private ?Connector $connector = null;
 
     #[ORM\ManyToOne(inversedBy: 'domainPurchases')]
+    #[ORM\JoinColumn(referencedColumnName: 'id', nullable: true, onDelete: 'SET NULL')]
     private ?User $user = null;
 
     #[ORM\Column]