diff --git a/external/lang b/external/lang
index c2245a290439f0ed8efe70eb6a11cfb42c3e13c1..66e4563231bcfab8f8b7cf3fa0f5b86797719b7b 160000
--- a/external/lang
+++ b/external/lang
@@ -1 +1 @@
-Subproject commit c2245a290439f0ed8efe70eb6a11cfb42c3e13c1
+Subproject commit 66e4563231bcfab8f8b7cf3fa0f5b86797719b7b