diff --git a/hecl/extern/boo b/hecl/extern/boo
index 135f50489..598bce028 160000
--- a/hecl/extern/boo
+++ b/hecl/extern/boo
@@ -1 +1 @@
-Subproject commit 135f504899da6199c361346f980adcb097750916
+Subproject commit 598bce028b6caa8547c8380d45d7a7b71ae9facc