diff --git a/changes/ocd-5318.sql b/changes/ocd-5318.sql
new file mode 100644
index 00000000..2098eca8
--- /dev/null
+++ b/changes/ocd-5318.sql
@@ -0,0 +1,5 @@
+-- After HTI-5 the user only has to specify one or the other of UCD Process or freetext details
+-- so we need to allow the mapping to UCD Process to be null
+
+ALTER TABLE openchpl.certification_result_ucd_process 
+ALTER COLUMN ucd_process_id DROP NOT NULL;