diff --git a/alembic/versions/630783c18a93_make_gross_profit_nullable_on_summary.py b/alembic/versions/630783c18a93_make_gross_profit_nullable_on_summary.py
new file mode 100644
index 0000000..0aa7d47
--- /dev/null
+++ b/alembic/versions/630783c18a93_make_gross_profit_nullable_on_summary.py
@@ -0,0 +1,22 @@
+"""Make gross profit nullable on summary
+
+Revision ID: 630783c18a93
+Revises: ab9a9e449ff9
+Create Date: 2022-01-19 23:09:51.816948
+
+"""
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision = "630783c18a93"
+down_revision = "ab9a9e449ff9"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.alter_column("mev_summary", "gross_profit_usd", nullable=True)
+
+
+def downgrade():
+    op.alter_column("mev_summary", "gross_profit_usd", nullable=False)