diff --git a/schemas/ispyb/updates/2024_12_04_AutoProcProgramAttachment_deleted.sql b/schemas/ispyb/updates/2024_12_04_AutoProcProgramAttachment_deleted.sql
new file mode 100644
index 00000000..f58b535d
--- /dev/null
+++ b/schemas/ispyb/updates/2024_12_04_AutoProcProgramAttachment_deleted.sql
@@ -0,0 +1,8 @@
+-- To undo:
+-- ALTER TABLE AutoProcProgramAttachment DROP deleted, ALGORITHM=INSTANT;
+
+INSERT IGNORE INTO SchemaStatus (scriptName, schemaStatus) VALUES ('2024_12_04_AutoProcProgramAttachment_deleted.sql', 'ONGOING');
+
+ALTER TABLE AutoProcProgramAttachment ADD deleted boolean DEFAULT FALSE COMMENT '1/TRUE if the file has been deleted', ALGORITHM=INSTANT;
+
+UPDATE SchemaStatus SET schemaStatus = 'DONE' WHERE scriptName = '2024_12_04_AutoProcProgramAttachment_deleted.sql';