diff --git a/temba/channels/migrations/0190_populate_channelevents_uuid.py b/temba/channels/migrations/0190_populate_channelevents_uuid.py
new file mode 100644
index 00000000000..6d0803b6085
--- /dev/null
+++ b/temba/channels/migrations/0190_populate_channelevents_uuid.py
@@ -0,0 +1,39 @@
+# Generated by Django 5.1.4 on 2025-02-12 17:00
+
+from django.db import migrations
+
+from temba.utils.uuid import uuid4
+
+
+def populate_channel_events_uuid(apps, schema_editor):
+    ChannelEvent = apps.get_model("channels", "ChannelEvent")
+
+    num_updated = 0
+    while True:
+        batch = list(ChannelEvent.objects.filter(uuid=None)[:100])
+        if not batch:
+            return
+
+        for event in batch:
+            event.uuid = uuid4()
+            event.save(update_fields=("uuid",))
+
+        num_updated += len(batch)
+        print(f"Updated {num_updated} channel events")
+
+
+def apply_manual():  # pragma: no cover
+    from django.apps import apps
+
+    populate_channel_events_uuid(apps, None)
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("channels", "0189_channelevent_uuid_alter_channelevent_event_type"),
+    ]
+
+    operations = [
+        migrations.RunPython(populate_channel_events_uuid, migrations.RunPython.noop),
+    ]
diff --git a/temba/channels/tests.py b/temba/channels/tests.py
index f602afd3640..496315fb404 100644
--- a/temba/channels/tests.py
+++ b/temba/channels/tests.py
@@ -25,7 +25,7 @@
 from temba.orgs.models import Org
 from temba.request_logs.models import HTTPLog
 from temba.templates.models import TemplateTranslation
-from temba.tests import CRUDLTestMixin, MockResponse, TembaTest, matchers, mock_mailroom, override_brand
+from temba.tests import CRUDLTestMixin, MigrationTest, MockResponse, TembaTest, matchers, mock_mailroom, override_brand
 from temba.tests.crudl import StaffRedirect
 from temba.triggers.models import Trigger
 from temba.utils import json
@@ -2126,3 +2126,25 @@ def test_courier_urls(self):
         response = self.client.get(reverse("courier.t", args=[self.channel.uuid, "receive"]))
         self.assertEqual(response.status_code, 404)
         self.assertEqual(response.content, b"this URL should be mapped to a Courier instance")
+
+
+class TestPopulateChannelEventUUID(MigrationTest):
+    app = "channels"
+    migrate_from = "0189_channelevent_uuid_alter_channelevent_event_type"
+    migrate_to = "0190_populate_channelevents_uuid"
+
+    def setUpBeforeMigration(self, apps):
+        contact = self.create_contact("Joe", phone="+250788111222")
+        self.evt = ChannelEvent.objects.create(
+            org=self.org,
+            channel=self.channel,
+            event_type=ChannelEvent.TYPE_STOP_CONTACT,
+            contact=contact,
+            created_on=timezone.now() - timedelta(days=1),
+            occurred_on=timezone.now() - timedelta(days=1),
+        )
+        self.assertIsNone(self.evt.uuid)
+
+    def test_migration(self):
+        self.evt.refresh_from_db()
+        self.assertIsNotNone(self.evt.uuid)