diff --git a/src/ralph/accounts/migrations/0010_auto_20241030_1235.py b/src/ralph/accounts/migrations/0010_auto_20241030_1235.py
new file mode 100644
index 0000000000..41c9d3b7ca
--- /dev/null
+++ b/src/ralph/accounts/migrations/0010_auto_20241030_1235.py
@@ -0,0 +1,18 @@
+# Generated by Django 2.0.13 on 2024-10-30 12:35
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('accounts', '0009_auto_20240621_1217'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='ralphuser',
+            name='department',
+            field=models.CharField(blank=True, max_length=128, verbose_name='department'),
+        ),
+    ]
diff --git a/src/ralph/accounts/models.py b/src/ralph/accounts/models.py
index d936cc4e35..bff526468b 100644
--- a/src/ralph/accounts/models.py
+++ b/src/ralph/accounts/models.py
@@ -102,7 +102,7 @@ class RalphUser(
     )
     department = models.CharField(
         verbose_name=_('department'),
-        max_length=64,
+        max_length=128,
         blank=True,
     )
     manager = models.CharField(