diff --git a/api/migrations/versions/2026_09_21_1535-733e4c46f90e_merge_builder_run_error_and_sandbox_usage_heads.py b/api/migrations/versions/2026_09_21_1535-733e4c46f90e_merge_builder_run_error_and_sandbox_usage_heads.py
new file mode 100644
index 00000000000..5c3b7bbbc04
--- /dev/null
+++ b/api/migrations/versions/2026_09_21_1535-733e4c46f90e_merge_builder_run_error_and_sandbox_usage_heads.py
@@ -0,0 +1,22 @@
+"""merge builder run error and agent sandbox usage heads
+
+Revision ID: 733e4c46f90e
+Revises: a9cc8d552db4, e7b2a9c4d601
+Create Date: 2026-09-21 15:35:24.000000
+
+"""
+import models as models
+
+# revision identifiers, used by Alembic.
+revision = "733e4c46f90e"
+down_revision = ("a9cc8d552db4", "e7b2a9c4d601")
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    pass
+
+
+def downgrade():
+    pass