diff --git a/hecl/extern/libBoo b/hecl/extern/libBoo
index 86daf8b3f..511ac1fad 160000
--- a/hecl/extern/libBoo
+++ b/hecl/extern/libBoo
@@ -1 +1 @@
-Subproject commit 86daf8b3f075b0aa7047ef9abcd186a20ac8de96
+Subproject commit 511ac1fad7feccd74450d24ccffc211c1ebcb59a