diff --git a/hecl/extern/boo b/hecl/extern/boo
index 02dc5a2a9..867665cc7 160000
--- a/hecl/extern/boo
+++ b/hecl/extern/boo
@@ -1 +1 @@
-Subproject commit 02dc5a2a97c9c622716d1074af52b6ecf0710bb1
+Subproject commit 867665cc782cf2f5a9ade477904c95692f4b1ae1