diff --git a/hecl/extern/boo b/hecl/extern/boo
index 7bf2ad48a..a2e069228 160000
--- a/hecl/extern/boo
+++ b/hecl/extern/boo
@@ -1 +1 @@
-Subproject commit 7bf2ad48a7b7fa8e5c34d336f5603dcdc8a6ef47
+Subproject commit a2e069228515e40e78d85152d0d565b1cfbc8f4f