diff --git a/upstream b/upstream
index e837e39..5c91e31 160000
--- a/upstream
+++ b/upstream
@@ -1 +1 @@
-Subproject commit e837e39623457dc5ad29c34a5ce4d4616e5fbf1e
+Subproject commit 5c91e3191dff08177740d642344d9eb67122139d