diff --git a/backend/alembic/versions/006_add_ds_field.py b/backend/alembic/versions/006_add_ds_field.py
new file mode 100644
index 0000000..fbee305
--- /dev/null
+++ b/backend/alembic/versions/006_add_ds_field.py
@@ -0,0 +1,29 @@
+"""006_add_ds_field
+
+Revision ID: e6276ddab06e
+Revises: 0a6f11be9be4
+Create Date: 2025-05-22 11:43:40.176878
+
+"""
+from alembic import op
+import sqlalchemy as sa
+import sqlmodel.sql.sqltypes
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision = 'e6276ddab06e'
+down_revision = '0a6f11be9be4'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('core_datasource', sa.Column('type_name', sqlmodel.sql.sqltypes.AutoString(length=64), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('core_datasource', 'type_name')
+    # ### end Alembic commands ###