diff --git a/judge/migrations/0186_change_about_fields_max_len.py b/judge/migrations/0186_change_about_fields_max_len.py
new file mode 100644
index 0000000..9e8cf01
--- /dev/null
+++ b/judge/migrations/0186_change_about_fields_max_len.py
@@ -0,0 +1,43 @@
+# Generated by Django 3.2.18 on 2024-04-12 17:04
+
+from django.db import migrations, models
+
+
+def truncate_about_text(apps, schema_editor):
+    Organization = apps.get_model("judge", "Organization")
+    Profile = apps.get_model("judge", "Profile")
+
+    for org in Organization.objects.all():
+        if len(org.about) > 10000:
+            org.about = org.about[:10000]
+            org.save()
+
+    for profile in Profile.objects.all():
+        if profile.about and len(profile.about) > 10000:
+            profile.about = profile.about[:10000]
+            profile.save()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("judge", "0185_rename_org_profile_colum"),
+    ]
+
+    operations = [
+        migrations.RunPython(truncate_about_text),
+        migrations.AlterField(
+            model_name="organization",
+            name="about",
+            field=models.CharField(
+                max_length=10000, verbose_name="organization description"
+            ),
+        ),
+        migrations.AlterField(
+            model_name="profile",
+            name="about",
+            field=models.CharField(
+                blank=True, max_length=10000, null=True, verbose_name="self-description"
+            ),
+        ),
+    ]
diff --git a/judge/models/profile.py b/judge/models/profile.py
index 7d3cf02..8975bb3 100644
--- a/judge/models/profile.py
+++ b/judge/models/profile.py
@@ -55,7 +55,9 @@ class Organization(models.Model):
         verbose_name=_("short name"),
         help_text=_("Displayed beside user name during contests"),
     )
-    about = models.TextField(verbose_name=_("organization description"))
+    about = models.CharField(
+        max_length=10000, verbose_name=_("organization description")
+    )
     registrant = models.ForeignKey(
         "Profile",
         verbose_name=_("registrant"),
@@ -154,7 +156,9 @@ class Profile(models.Model):
     user = models.OneToOneField(
         User, verbose_name=_("user associated"), on_delete=models.CASCADE
     )
-    about = models.TextField(verbose_name=_("self-description"), null=True, blank=True)
+    about = models.CharField(
+        max_length=10000, verbose_name=_("self-description"), null=True, blank=True
+    )
     timezone = models.CharField(
         max_length=50,
         verbose_name=_("location"),