diff --git a/migrations/versions/0165_another_letter_org.py b/migrations/versions/0165_another_letter_org.py
index 6e08a8a9b..a6b485364 100644
--- a/migrations/versions/0165_another_letter_org.py
+++ b/migrations/versions/0165_another_letter_org.py
@@ -15,6 +15,7 @@ from alembic import op
 
 NEW_ORGANISATIONS = [
     ('502', 'Welsh Revenue Authority'),
+    ('503', 'East Riding of Yorkshire Council'),
 ]