diff --git a/back/backend/sitmun-backend-core b/back/backend/sitmun-backend-core
index 140c337..73840f7 160000
--- a/back/backend/sitmun-backend-core
+++ b/back/backend/sitmun-backend-core
@@ -1 +1 @@
-Subproject commit 140c337d1ac5eee577c1b8b951a8ef9d78edb0f5
+Subproject commit 73840f75c39ba1f780ec6da8c6352ced8af20352