diff --git a/alembic/versions/043_add_updated_at_to_generation_tasks.py b/alembic/versions/043_add_updated_at_to_generation_tasks.py
new file mode 100755
index 000000000..24803cf53
--- /dev/null
+++ b/alembic/versions/043_add_updated_at_to_generation_tasks.py
@@ -0,0 +1,33 @@
+"""add updated_at to generation_tasks
+
+Revision ID: 043_updated_at_generation_tasks
+Revises: 042_storage_key
+Create Date: 2026-07-18 19:30:00.000000
+
+"""
+
+import sqlalchemy as sa
+
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision = "043_updated_at_generation_tasks"
+down_revision = "042_storage_key"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.add_column(
+        "generation_tasks",
+        sa.Column(
+            "updated_at",
+            sa.DateTime,
+            nullable=False,
+            server_default=sa.func.now(),
+        ),
+    )
+
+
+def downgrade() -> None:
+    op.drop_column("generation_tasks", "updated_at")