diff --git a/migrations/Version20240519153645.php b/migrations/Version20240519153645.php
new file mode 100644
index 0000000..c895424
--- /dev/null
+++ b/migrations/Version20240519153645.php
@@ -0,0 +1,31 @@
+<?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 Version20240519153645 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return '';
+    }
+
+    public function up(Schema $schema): void
+    {
+        // this up() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE admin_member_revision CHANGE email email VARCHAR(200) DEFAULT NULL');
+    }
+
+    public function down(Schema $schema): void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE admin_member_revision CHANGE email email VARCHAR(200) NOT NULL');
+    }
+}
diff --git a/src/Entity/Member.php b/src/Entity/Member.php
index 6ecd17a..1d33f5c 100644
--- a/src/Entity/Member.php
+++ b/src/Entity/Member.php
@@ -94,7 +94,6 @@ class Member implements UserInterface {
 
     /**
      * @ORM\ManyToMany(targetEntity="Division", inversedBy="contacts")
-     * @ORM\JoinTable(name="division_member")
      */
     private Collection $managed_divisions;