diff --git a/hecl/extern/boo b/hecl/extern/boo
index bf4b3f738..71b8893dd 160000
--- a/hecl/extern/boo
+++ b/hecl/extern/boo
@@ -1 +1 @@
-Subproject commit bf4b3f738253f3a0733708adaf860493ac4aab19
+Subproject commit 71b8893dde162f0b902b241adf30b5b19c9462c0