diff --git a/alembic/versions/52d75a7e0533_add_punk_bid_acceptances.py b/alembic/versions/52d75a7e0533_add_punk_bid_acceptances.py
index 6858101..8918bde 100644
--- a/alembic/versions/52d75a7e0533_add_punk_bid_acceptances.py
+++ b/alembic/versions/52d75a7e0533_add_punk_bid_acceptances.py
@@ -26,7 +26,7 @@ def upgrade():
         sa.Column("from_address", sa.String(256), nullable=False),
         sa.Column("punk_index", sa.Numeric, nullable=False),
         sa.Column("min_price", sa.Numeric, nullable=False),
-        sa.PrimaryKeyConstraint("transaction_hash", "trace_address"),
+        sa.PrimaryKeyConstraint("block_number", "transaction_hash", "trace_address"),
     )