diff --git a/vendor/jian b/vendor/jian
index afe3fc8fd..c12f27738 160000
--- a/vendor/jian
+++ b/vendor/jian
@@ -1 +1 @@
-Subproject commit afe3fc8fd03ae649214d33410d6f866e219796b7
+Subproject commit c12f2773860f6d666e427144f6380ea0dd169371