diff --git a/external/umac b/external/umac
index 563626a..5d23667 160000
--- a/external/umac
+++ b/external/umac
@@ -1 +1 @@
-Subproject commit 563626a38273656ff08d13a4799fa5d1028b215d
+Subproject commit 5d23667c8ef4534a5307fcf6c39c172484e50e30