diff --git a/libs/marshalling/zk b/libs/marshalling/zk
index 0c26d8eab..3a8efcf62 160000
--- a/libs/marshalling/zk
+++ b/libs/marshalling/zk
@@ -1 +1 @@
-Subproject commit 0c26d8eaba3e1587a9a1b69ccc3d8992c191db27
+Subproject commit 3a8efcf62eba21e8b842518717ecfb9f0c2b1e81