diff --git a/hecl/extern/boo b/hecl/extern/boo
index 793e3d5ef..175aabbb0 160000
--- a/hecl/extern/boo
+++ b/hecl/extern/boo
@@ -1 +1 @@
-Subproject commit 793e3d5eff7227e6b602f3197094df2ceb2daf5b
+Subproject commit 175aabbb0e7f9d84c0972ee20d0efc8573224308