diff --git a/src/phoenix/db/migrations/versions/cf03bd6bae1d_init.py b/src/phoenix/db/migrations/versions/cf03bd6bae1d_init.py
index 2d82ec2038..ae3bc641ef 100644
--- a/src/phoenix/db/migrations/versions/cf03bd6bae1d_init.py
+++ b/src/phoenix/db/migrations/versions/cf03bd6bae1d_init.py
@@ -83,6 +83,9 @@ def upgrade() -> None:
         sa.Column("id", sa.Integer, primary_key=True),
         sa.Column("span_rowid", sa.Integer, sa.ForeignKey("traces.id"), nullable=False),
         sa.Column("name", sa.String, nullable=False),
+        sa.Column("label", sa.String, nullable=False),
+        sa.Column("score", sa.Float, nullable=False),
+        sa.Column("explanation", sa.String, nullable=False),
         sa.UniqueConstraint("name", "span_rowid"),
     )