diff --git a/lib/brolib-sml b/lib/brolib-sml
index d4ef456..d2e5c23 160000
--- a/lib/brolib-sml
+++ b/lib/brolib-sml
@@ -1 +1 @@
-Subproject commit d4ef45630d35913a7677fdcde041ff67d90e04fa
+Subproject commit d2e5c23c61f63ff42ca6e351eae8d440bc190f6d