diff --git a/hecl/extern/boo b/hecl/extern/boo
index d6b54a371..7bf2ad48a 160000
--- a/hecl/extern/boo
+++ b/hecl/extern/boo
@@ -1 +1 @@
-Subproject commit d6b54a3718ce29b0c7f195a1ecfa63e4ec71f2c9
+Subproject commit 7bf2ad48a7b7fa8e5c34d336f5603dcdc8a6ef47