diff --git a/libs/callable_traits b/libs/callable_traits
index 45494b88cd..2a56a3a249 160000
--- a/libs/callable_traits
+++ b/libs/callable_traits
@@ -1 +1 @@
-Subproject commit 45494b88cd81fd756c42922789cef00a8c05ae69
+Subproject commit 2a56a3a2496cdb66496f844db55085dd992d5e49