diff --git a/lib/brolib-sml b/lib/brolib-sml
index 8c56f9c..5b6b132 160000
--- a/lib/brolib-sml
+++ b/lib/brolib-sml
@@ -1 +1 @@
-Subproject commit 8c56f9cc95794274d358af3b9e3de67fce534fc0
+Subproject commit 5b6b13278b690b9fd5c744556a0f7dbf586443fc