diff --git a/hecl/extern/boo b/hecl/extern/boo
index f4dc3626e..befa1a11a 160000
--- a/hecl/extern/boo
+++ b/hecl/extern/boo
@@ -1 +1 @@
-Subproject commit f4dc3626e59fa48d95c02674ab786a8463c75fa1
+Subproject commit befa1a11a29e279408a7e97478a565078e499e70