diff --git a/hecl/extern/boo b/hecl/extern/boo
index 29364a802..de0699ab8 160000
--- a/hecl/extern/boo
+++ b/hecl/extern/boo
@@ -1 +1 @@
-Subproject commit 29364a80240e2addb7edbb7f5ac4def0c650ec95
+Subproject commit de0699ab8d1036c811ab01ca83773f7cea9d15e6