diff --git a/libs/marshalling/zk b/libs/marshalling/zk
index bd4192020..6479d8ab5 160000
--- a/libs/marshalling/zk
+++ b/libs/marshalling/zk
@@ -1 +1 @@
-Subproject commit bd41920207e167d699a1ef11d3d192314811b9b0
+Subproject commit 6479d8ab50ea2d3f272dcc97bfaa438232e669aa