diff --git a/libs/function_types b/libs/function_types
index 5f0d9dd0a8..4e48421f9d 160000
--- a/libs/function_types
+++ b/libs/function_types
@@ -1 +1 @@
-Subproject commit 5f0d9dd0a8f5745b4a11b747c5991040f18be292
+Subproject commit 4e48421f9d92556545d0287bcd9f6b89ccfd9cf7