diff --git a/vendor/bdwgc b/vendor/bdwgc
index e4247e8..840bbcf 160000
--- a/vendor/bdwgc
+++ b/vendor/bdwgc
@@ -1 +1 @@
-Subproject commit e4247e8e31621563d53af29910d51ffe1427d3f2
+Subproject commit 840bbcf603bc75e0b2da21ea9cbd84d1d63f14cf