diff --git a/hecl/extern/libBoo b/hecl/extern/libBoo
index d145e15ec..db40c2bff 160000
--- a/hecl/extern/libBoo
+++ b/hecl/extern/libBoo
@@ -1 +1 @@
-Subproject commit d145e15ecba58d6b90b26f86fa9475cbc8094430
+Subproject commit db40c2bff02369cc3ba96d9e8c149d69c80d4704