diff --git a/lib/ulib b/lib/ulib
index 25f5c3d0..51883d97 160000
--- a/lib/ulib
+++ b/lib/ulib
@@ -1 +1 @@
-Subproject commit 25f5c3d08c3ef08b42a9fa64711d46be79537b0f
+Subproject commit 51883d97292e3db09518d8f75add89a2debfcbfb