diff --git a/src/mzkit b/src/mzkit
index 12042a35e0..f91c31c0f5 160000
--- a/src/mzkit
+++ b/src/mzkit
@@ -1 +1 @@
-Subproject commit 12042a35e03533957862c9376554877fcd1bbd85
+Subproject commit f91c31c0f505801d590d3645e133e1efa36eb802