diff --git a/hecl/extern/boo b/hecl/extern/boo
index b97c82469..04ff1692d 160000
--- a/hecl/extern/boo
+++ b/hecl/extern/boo
@@ -1 +1 @@
-Subproject commit b97c82469a8ea0039234f20444a05da035591725
+Subproject commit 04ff1692d8e46d8f5aca7796f44a0150fb423e40