diff --git a/upstream b/upstream
index 4310c20..e6f3c53 160000
--- a/upstream
+++ b/upstream
@@ -1 +1 @@
-Subproject commit 4310c20c320d040f3df7a93de4064e452a1876ae
+Subproject commit e6f3c538da0c646bda43fcde7ef7dc3b771e0c8b