diff --git a/hecl/extern/boo b/hecl/extern/boo
index f35ccbaad..136e43dcf 160000
--- a/hecl/extern/boo
+++ b/hecl/extern/boo
@@ -1 +1 @@
-Subproject commit f35ccbaad526da1d152b48b151a6684296ecf567
+Subproject commit 136e43dcfef11268a0fcb4e6b10c7febf1e64262