diff --git a/upstream b/upstream
index 677446c..c567340 160000
--- a/upstream
+++ b/upstream
@@ -1 +1 @@
-Subproject commit 677446c70f8c3f8c42e31ea20b9c99b44839d268
+Subproject commit c56734017173d3d76e03f28ea2a16d4856899e22