diff --git a/subprojects/libsys4 b/subprojects/libsys4
index a8df981..39eec1a 160000
--- a/subprojects/libsys4
+++ b/subprojects/libsys4
@@ -1 +1 @@
-Subproject commit a8df98198e1a16fe2219683cf3ded72afe8338fd
+Subproject commit 39eec1a8065903cda06ac42b0547cd93daabdaa3