diff --git a/vendor/bdwgc b/vendor/bdwgc
index 06ffb93..4bdf9b9 160000
--- a/vendor/bdwgc
+++ b/vendor/bdwgc
@@ -1 +1 @@
-Subproject commit 06ffb93814a97d08fce62e2f3ce3135bc2473e59
+Subproject commit 4bdf9b9c327673b71344a63e368d8b2386bae6af