diff --git a/gracedb/ligoauth/migrations/0059_grb_exttrig_cert.py b/gracedb/ligoauth/migrations/0059_grb_exttrig_cert.py
new file mode 100644
index 0000000000000000000000000000000000000000..b27c286f278216e8b33805130f759e1b91341d76
--- /dev/null
+++ b/gracedb/ligoauth/migrations/0059_grb_exttrig_cert.py
@@ -0,0 +1,45 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.20 on 2019-06-03 20:10
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+# detchar is on a tear getting new certs, so I'm doing three
+# at once.
+
+gracedb_account = 'grb.exttrig'
+new_certs = ['/DC=org/DC=cilogon/C=US/O=LIGO/OU=Robots/CN=ldas-pcdev1.ligo.caltech.edu/CN=grb.exttrig/CN=Ryan Fisher/CN=UID:ryan.fisher.robot',]
+
+
+def add_cert(apps, schema_editor):
+    RobotUser = apps.get_model('auth', 'User')
+
+    # Get user
+    user = RobotUser.objects.get(username=gracedb_account)
+
+    # Create new certificates
+    for cert in new_certs:
+        user.x509cert_set.create(subject=cert)
+
+
+def delete_cert(apps, schema_editor):
+    RobotUser = apps.get_model('auth', 'User')
+
+    # Get user
+    user = RobotUser.objects.get(username=gracedb_account)
+
+    # Delete new certificates
+    for cert in new_certs:
+      cert = user.x509cert_set.get(subject=cert)
+      cert.delete()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('ligoauth', '0058_add_more_detchar_certs'),
+    ]
+
+    operations = [
+        migrations.RunPython(add_cert, delete_cert),
+    ]
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