diff --git a/hecl/extern/boo b/hecl/extern/boo
index 85fa541f6..f35ccbaad 160000
--- a/hecl/extern/boo
+++ b/hecl/extern/boo
@@ -1 +1 @@
-Subproject commit 85fa541f6a32eea20cdb35c52518236558ce75e2
+Subproject commit f35ccbaad526da1d152b48b151a6684296ecf567