diff --git a/libs/multi_index b/libs/multi_index
index 09ea3b91be..8ef40b12df 160000
--- a/libs/multi_index
+++ b/libs/multi_index
@@ -1 +1 @@
-Subproject commit 09ea3b91be72b884d78aae9e46385783f2cbf87c
+Subproject commit 8ef40b12dfab9e9adcd96a87e69c47a98a508867