diff --git a/backend-core b/backend-core
index 36ae44d..e81b91e 160000
--- a/backend-core
+++ b/backend-core
@@ -1 +1 @@
-Subproject commit 36ae44d829316b0d1683af7908e40bf126e6cb06
+Subproject commit e81b91eebbe0bf970598b1be5522b6fcc4b4c960