diff --git a/bdwgc-alloc-sys/vendor/bdwgc b/bdwgc-alloc-sys/vendor/bdwgc
index 635112b..86bd7c0 160000
--- a/bdwgc-alloc-sys/vendor/bdwgc
+++ b/bdwgc-alloc-sys/vendor/bdwgc
@@ -1 +1 @@
-Subproject commit 635112baf95fe862e379ed4b77e06db72472ea2f
+Subproject commit 86bd7c0a5a8b6d4ef9021d27c3a1db6ecd75499c