diff --git a/hecl/extern/boo b/hecl/extern/boo
index a7a02b0c5..0c8383968 160000
--- a/hecl/extern/boo
+++ b/hecl/extern/boo
@@ -1 +1 @@
-Subproject commit a7a02b0c5e4539c3a65f34b836e4072bb30d4428
+Subproject commit 0c838396801ef70ca62dd574d7782d9d9a81e389