diff --git a/vendor/jian b/vendor/jian
index b0d02b774..4c4c90368 160000
--- a/vendor/jian
+++ b/vendor/jian
@@ -1 +1 @@
-Subproject commit b0d02b7742276f5553a3fcf1916b561155ec0de4
+Subproject commit 4c4c903688b58201b72aea058491924486ec7157