diff --git a/migrations/Version20260429073108.php b/migrations/Version20260429073108.php
new file mode 100644
index 0000000..946a6ed
--- /dev/null
+++ b/migrations/Version20260429073108.php
@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20260429073108 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Workflow entrée/sortie : ajout entry_completed sur reception et reception_id sur bovine.';
+    }
+
+    public function up(Schema $schema): void
+    {
+        // Reception : flag de fermeture d'une entrée bovins.
+        $this->addSql('ALTER TABLE reception ADD entry_completed BOOLEAN NOT NULL DEFAULT FALSE');
+
+        // Bovine : FK nullable vers la réception qui a fait entrer le bovin.
+        $this->addSql('ALTER TABLE bovine ADD reception_id INT DEFAULT NULL');
+        $this->addSql('CREATE INDEX IDX_BOVINE_RECEPTION ON bovine (reception_id)');
+        $this->addSql('ALTER TABLE bovine ADD CONSTRAINT FK_BOVINE_RECEPTION FOREIGN KEY (reception_id) REFERENCES reception (id) ON DELETE SET NULL');
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE bovine DROP CONSTRAINT FK_BOVINE_RECEPTION');
+        $this->addSql('DROP INDEX IDX_BOVINE_RECEPTION');
+        $this->addSql('ALTER TABLE bovine DROP reception_id');
+        $this->addSql('ALTER TABLE reception DROP entry_completed');
+    }
+}