diff --git a/hecl/extern/boo b/hecl/extern/boo
index 1c21519d5..e75735d24 160000
--- a/hecl/extern/boo
+++ b/hecl/extern/boo
@@ -1 +1 @@
-Subproject commit 1c21519d5dcd41fbabd11b9db0d0d6ffa99c8368
+Subproject commit e75735d2469b4afecb9a056a830c8a24fb8f404a