diff --git a/subprojects/libsys4 b/subprojects/libsys4
index 7e212b0..3b909ac 160000
--- a/subprojects/libsys4
+++ b/subprojects/libsys4
@@ -1 +1 @@
-Subproject commit 7e212b0275751c933ccceb12d379ab4c0de27eb6
+Subproject commit 3b909ac2159e321250d465f380382f44637b4836