diff --git a/subprojects/libsys4 b/subprojects/libsys4
index 0409f62..9906c3c 160000
--- a/subprojects/libsys4
+++ b/subprojects/libsys4
@@ -1 +1 @@
-Subproject commit 0409f62789bd2f9b4364d4e9a755aaff7725cfba
+Subproject commit 9906c3c2b0725fb309abac414bbbf5668bd325bc