diff --git a/upstream b/upstream
index e9353bc..ef686e9 160000
--- a/upstream
+++ b/upstream
@@ -1 +1 @@
-Subproject commit e9353bc2ef27c300281574453e0cf5189a375680
+Subproject commit ef686e96ec1f907cac39552fa0e21298a6f38df5