diff --git a/schemas/ispyb/updates/2026_01_27_AutoProcProgram_parentAutoProcProgramId.sql b/schemas/ispyb/updates/2026_01_27_AutoProcProgram_parentAutoProcProgramId.sql
new file mode 100644
index 0000000..6b9d0c1
--- /dev/null
+++ b/schemas/ispyb/updates/2026_01_27_AutoProcProgram_parentAutoProcProgramId.sql
@@ -0,0 +1,12 @@
+INSERT IGNORE INTO SchemaStatus (scriptName, schemaStatus) VALUES ('2026_01_27_AutoProcProgram_parentAutoProcProgramId.sql', 'ONGOING');
+
+ALTER TABLE AutoProcProgram
+  ADD parentAutoProcProgramId int(10) unsigned NULL DEFAULT NULL,
+  ADD CONSTRAINT `AutoProcProgram_fk_parentAutoProcProgramId` FOREIGN KEY (`parentAutoProcProgramId`) REFERENCES `AutoProcProgram` (`autoProcProgramId`);
+
+-- Undo:
+-- ALTER TABLE AutoProcProgram
+--    DROP CONSTRAINT AutoProcProgram_fk_parentAutoProcProgramId,
+--    DROP parentAutoProcProgramId;
+
+UPDATE SchemaStatus SET schemaStatus = 'DONE' WHERE scriptName = '2026_01_27_AutoProcProgram_parentAutoProcProgramId.sql';