diff --git a/upstream b/upstream
index 1e3c5e2..681f141 160000
--- a/upstream
+++ b/upstream
@@ -1 +1 @@
-Subproject commit 1e3c5e2f9e3a0af73d563beec7b5633485d6bcea
+Subproject commit 681f14147fbe2f4bc58e3fa715c007fd31287358