diff --git a/hecl/extern/boo b/hecl/extern/boo
index dd6e53119..5bc17c753 160000
--- a/hecl/extern/boo
+++ b/hecl/extern/boo
@@ -1 +1 @@
-Subproject commit dd6e53119a156dfd293d38d515c0af27be062108
+Subproject commit 5bc17c753c0e15862423a7ae54fcdc1bd1b9c2e4