diff --git a/nulllib b/nulllib
index ebd217d..8a1d772 160000
--- a/nulllib
+++ b/nulllib
@@ -1 +1 @@
-Subproject commit ebd217dcc201b7adf07a0604a2704ef834009161
+Subproject commit 8a1d772bb48d6c2b0fdecea59ae102615b489992