diff --git a/hecl/extern/boo b/hecl/extern/boo
index ff89a9ccc..7823aecc5 160000
--- a/hecl/extern/boo
+++ b/hecl/extern/boo
@@ -1 +1 @@
-Subproject commit ff89a9cccf42ff3de93b97b11cde7f3f2f619622
+Subproject commit 7823aecc5788c9acfe1bde976848ccb881e456b8