diff --git a/hecl/extern/boo b/hecl/extern/boo
index 142c0c7dc..676a002aa 160000
--- a/hecl/extern/boo
+++ b/hecl/extern/boo
@@ -1 +1 @@
-Subproject commit 142c0c7dcde938ec66ce329c6dc852e7477df969
+Subproject commit 676a002aa39dde336e2dd4eac2f8449d83a8e21f