diff --git a/hecl/extern/boo b/hecl/extern/boo
index 403249582..49d76b84b 160000
--- a/hecl/extern/boo
+++ b/hecl/extern/boo
@@ -1 +1 @@
-Subproject commit 403249582a91b8a9582c4ba7b26ca2db12967075
+Subproject commit 49d76b84be1a720030f3707f4d6fbb4bb56270b2