diff --git a/external/lang b/external/lang
index 59fbe7c9..84d711fc 160000
--- a/external/lang
+++ b/external/lang
@@ -1 +1 @@
-Subproject commit 59fbe7c9437a4d2b477d72543b28174dd2b11c5f
+Subproject commit 84d711fc721b125df3bedd8d2194494cc0666286