diff --git a/alembic/versions/202605150001_promote_admin_user.py b/alembic/versions/202605150001_promote_admin_user.py
new file mode 100644
index 0000000..41903cc
--- /dev/null
+++ b/alembic/versions/202605150001_promote_admin_user.py
@@ -0,0 +1,39 @@
+"""promote requested admin user
+
+Revision ID: 202605150001
+Revises: 202605140002
+Create Date: 2026-05-15 05:00:00.000000
+"""
+
+from collections.abc import Sequence
+
+from alembic import op
+
+revision: str = "202605150001"
+down_revision: str | None = "202605140002"
+branch_labels: str | Sequence[str] | None = None
+depends_on: str | Sequence[str] | None = None
+
+ADMIN_TELEGRAM_ID = 556399210
+
+
+def upgrade() -> None:
+    op.execute(
+        f"""
+        insert into users (telegram_id, username, platform_role)
+        values ({ADMIN_TELEGRAM_ID}, '{ADMIN_TELEGRAM_ID}', 'admin')
+        on conflict (telegram_id) do update
+        set platform_role = 'admin'
+        """
+    )
+
+
+def downgrade() -> None:
+    op.execute(
+        f"""
+        update users
+        set platform_role = 'user'
+        where telegram_id = {ADMIN_TELEGRAM_ID}
+          and platform_role = 'admin'
+        """
+    )