diff --git a/db/migration/V009__Participant_Discriminators.sql b/db/migration/V009__Participant_Discriminators.sql
new file mode 100644
index 000000000..838de11d1
--- /dev/null
+++ b/db/migration/V009__Participant_Discriminators.sql
@@ -0,0 +1 @@
+ALTER TABLE TABLE studyparticipant ADD discriminators json;
diff --git a/src/types/ParticipantEntry.ts b/src/types/ParticipantEntry.ts
index f6f31ef55..629977533 100644
--- a/src/types/ParticipantEntry.ts
+++ b/src/types/ParticipantEntry.ts
@@ -22,4 +22,5 @@ export interface ParticipantEntry {
     general_study_end_date: Date;
     personal_study_end_date: Date;
     language_code: string;
+    discriminators?: Record<string, unknown>;
 }