diff --git a/hecl/extern/boo b/hecl/extern/boo
index cf26e3925..55be829ac 160000
--- a/hecl/extern/boo
+++ b/hecl/extern/boo
@@ -1 +1 @@
-Subproject commit cf26e392596bd7ce894895cf929e1c8bbe942a1a
+Subproject commit 55be829acae46ba894cfe2448004c621992b5010