diff --git a/hecl/extern/boo b/hecl/extern/boo
index d9abcb8cf..96fe19cfc 160000
--- a/hecl/extern/boo
+++ b/hecl/extern/boo
@@ -1 +1 @@
-Subproject commit d9abcb8cf54eab7ecb1a326435a53a6d438d18ef
+Subproject commit 96fe19cfc074f10697bc34707c87bcf39cc595a1