diff --git a/hecl/extern/boo b/hecl/extern/boo
index 3d96463db..8b923214f 160000
--- a/hecl/extern/boo
+++ b/hecl/extern/boo
@@ -1 +1 @@
-Subproject commit 3d96463db7b93a539d0f9407c439628f040bc883
+Subproject commit 8b923214fd178cf96d61159a4cf099348a230e92