diff --git a/breathecode/assignments/migrations/0021_alter_repositorydeletionorder_repository_name_and_more.py b/breathecode/assignments/migrations/0021_alter_repositorydeletionorder_repository_name_and_more.py
new file mode 100644
index 000000000..4605bc8f5
--- /dev/null
+++ b/breathecode/assignments/migrations/0021_alter_repositorydeletionorder_repository_name_and_more.py
@@ -0,0 +1,33 @@
+# Generated by Django 5.1.4 on 2024-12-09 20:59
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("assignments", "0020_alter_userattachment_mime"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="repositorydeletionorder",
+            name="repository_name",
+            field=models.CharField(max_length=256),
+        ),
+        migrations.AlterField(
+            model_name="repositorydeletionorder",
+            name="repository_user",
+            field=models.CharField(max_length=256),
+        ),
+        migrations.AlterField(
+            model_name="repositorywhitelist",
+            name="repository_name",
+            field=models.CharField(max_length=256),
+        ),
+        migrations.AlterField(
+            model_name="repositorywhitelist",
+            name="repository_user",
+            field=models.CharField(max_length=256),
+        ),
+    ]
diff --git a/breathecode/assignments/models.py b/breathecode/assignments/models.py
index 2a66a33b9..142588d82 100644
--- a/breathecode/assignments/models.py
+++ b/breathecode/assignments/models.py
@@ -268,8 +268,8 @@ def __init__(self, *args, **kwargs):
     status = models.CharField(max_length=15, choices=Status, default=Status.PENDING)
     status_text = models.TextField(default=None, null=True, blank=True)
 
-    repository_user = models.CharField(max_length=100)
-    repository_name = models.CharField(max_length=100)
+    repository_user = models.CharField(max_length=256)
+    repository_name = models.CharField(max_length=256)
 
     starts_transferring_at = models.DateTimeField(default=None, null=True, blank=True)
     created_at = models.DateTimeField(auto_now_add=True, editable=False)
@@ -296,8 +296,8 @@ class RepositoryWhiteList(models.Model):
     Provider = Provider
 
     provider = models.CharField(max_length=15, choices=Provider, default=Provider.GITHUB)
-    repository_user = models.CharField(max_length=100)
-    repository_name = models.CharField(max_length=100)
+    repository_user = models.CharField(max_length=256)
+    repository_name = models.CharField(max_length=256)
 
     created_at = models.DateTimeField(auto_now_add=True, editable=False)