diff --git a/src/langbot/pkg/persistence/alembic/versions/0003_add_rerank_models.py b/src/langbot/pkg/persistence/alembic/versions/0003_add_rerank_models.py
index 78fb7ce5..6070ddc5 100644
--- a/src/langbot/pkg/persistence/alembic/versions/0003_add_rerank_models.py
+++ b/src/langbot/pkg/persistence/alembic/versions/0003_add_rerank_models.py
@@ -15,16 +15,20 @@ depends_on = None
 
 
 def upgrade() -> None:
-    op.create_table(
-        'rerank_models',
-        sa.Column('uuid', sa.String(255), primary_key=True, unique=True),
-        sa.Column('name', sa.String(255), nullable=False),
-        sa.Column('provider_uuid', sa.String(255), nullable=False),
-        sa.Column('extra_args', sa.JSON, nullable=False, server_default='{}'),
-        sa.Column('prefered_ranking', sa.Integer, nullable=False, server_default='0'),
-        sa.Column('created_at', sa.DateTime, nullable=False, server_default=sa.func.now()),
-        sa.Column('updated_at', sa.DateTime, nullable=False, server_default=sa.func.now()),
-    )
+    # Check if table already exists (may have been created by create_all())
+    conn = op.get_bind()
+    inspector = sa.inspect(conn)
+    if 'rerank_models' not in inspector.get_table_names():
+        op.create_table(
+            'rerank_models',
+            sa.Column('uuid', sa.String(255), primary_key=True, unique=True),
+            sa.Column('name', sa.String(255), nullable=False),
+            sa.Column('provider_uuid', sa.String(255), nullable=False),
+            sa.Column('extra_args', sa.JSON, nullable=False, server_default='{}'),
+            sa.Column('prefered_ranking', sa.Integer, nullable=False, server_default='0'),
+            sa.Column('created_at', sa.DateTime, nullable=False, server_default=sa.func.now()),
+            sa.Column('updated_at', sa.DateTime, nullable=False, server_default=sa.func.now()),
+        )
 
 
 def downgrade() -> None: