diff --git a/upstream b/upstream
index 1a0371e..c1b259c 160000
--- a/upstream
+++ b/upstream
@@ -1 +1 @@
-Subproject commit 1a0371e2c70d6e42c749003aab16bd0507862672
+Subproject commit c1b259c042c0855a0cbb547192fcdbb1940248db