diff --git a/upstream b/upstream
index 91348f8..4e68369 160000
--- a/upstream
+++ b/upstream
@@ -1 +1 @@
-Subproject commit 91348f865938e56108b04927818be7ea05b58285
+Subproject commit 4e683699b97740562db11f60c744b0f7f61916dd