diff --git a/external/lang b/external/lang
index 58ca8380..851e1704 160000
--- a/external/lang
+++ b/external/lang
@@ -1 +1 @@
-Subproject commit 58ca83804e7736ae09abcfa6ed9d5e5c98464b7b
+Subproject commit 851e1704c1790a27b4cf9fec46699afe0e0ba5d1