diff --git a/hecl/extern/boo b/hecl/extern/boo
index 543c686f8..5662ef11d 160000
--- a/hecl/extern/boo
+++ b/hecl/extern/boo
@@ -1 +1 @@
-Subproject commit 543c686f88d62693dd17250960b4a6d66e835491
+Subproject commit 5662ef11dd05d96239ab9fe6cfcfacbc791642b0