diff --git a/hecl/extern/boo b/hecl/extern/boo
index 1c8236d10..d71c01e1d 160000
--- a/hecl/extern/boo
+++ b/hecl/extern/boo
@@ -1 +1 @@
-Subproject commit 1c8236d100c33798a0e47a93ccea3fe9cf13943a
+Subproject commit d71c01e1d7f546351d3c21abf2296d2d7b20b791