diff --git a/hecl/extern/boo b/hecl/extern/boo
index 4257fc0b1..b1ce75ed6 160000
--- a/hecl/extern/boo
+++ b/hecl/extern/boo
@@ -1 +1 @@
-Subproject commit 4257fc0b10a71d4661ab12dd035397ea74d31213
+Subproject commit b1ce75ed6eb4497eb046f3eba9fdbbed4b8dc7b4