diff --git a/upstream b/upstream
index e257687..a2ca2b3 160000
--- a/upstream
+++ b/upstream
@@ -1 +1 @@
-Subproject commit e2576879216a39e5c45b9d2906531bc2065e724c
+Subproject commit a2ca2b3c866bc781b12c334a9f949b3db6d7c943