diff --git a/apps/api/src/repositories/drift_repository.py b/apps/api/src/repositories/drift_repository.py
index 4976577b..12550fdc 100644
--- a/apps/api/src/repositories/drift_repository.py
+++ b/apps/api/src/repositories/drift_repository.py
@@ -92,7 +92,7 @@ class DriftReportRepository:
                     VALUES
                         (:report_id, :namespace, :triggered_by, :scanned_at,
                          :high_count, :medium_count, :info_count,
-                         :items::jsonb, :interpretation::jsonb, :status, :created_at, :resolved_at)
+                         CAST(:items AS jsonb), CAST(:interpretation AS jsonb), :status, :created_at, :resolved_at)
                     ON CONFLICT (report_id) DO UPDATE SET
                         items = EXCLUDED.items,
                         interpretation = EXCLUDED.interpretation,
@@ -144,7 +144,7 @@ class DriftReportRepository:
             await db.execute(
                 text("""
                     UPDATE drift_reports
-                    SET interpretation = :interpretation::jsonb
+                    SET interpretation = CAST(:interpretation AS jsonb)
                     WHERE report_id = :report_id
                 """),
                 {