diff --git a/src/dispatch/case/service.py b/src/dispatch/case/service.py
index 9e62195d97d6..509deff240fb 100644
--- a/src/dispatch/case/service.py
+++ b/src/dispatch/case/service.py
@@ -293,6 +293,7 @@ def update(*, db_session, case: Case, case_in: CaseUpdate, current_user: Dispatc
             "project",
             "related",
             "reporter",
+            "resolved_by",
             "status",
             "tags",
             "visibility",