diff --git a/upstream b/upstream
index 4855519..88678c0 160000
--- a/upstream
+++ b/upstream
@@ -1 +1 @@
-Subproject commit 48555196ef92f54d0a331a01dac9db0a6aabc8b4
+Subproject commit 88678c00c46c16e026aaa966cbc923b3d9e4757c