diff --git a/hecl/extern/boo b/hecl/extern/boo
index e0cabf9e1..4aa662cd6 160000
--- a/hecl/extern/boo
+++ b/hecl/extern/boo
@@ -1 +1 @@
-Subproject commit e0cabf9e1ce38699f24947c515c86e7b823b0ce7
+Subproject commit 4aa662cd6710899aa25a00aa1e784a754554626d