diff --git a/external/lang b/external/lang
index d4244046..dd597a0f 160000
--- a/external/lang
+++ b/external/lang
@@ -1 +1 @@
-Subproject commit d42440461f1c661e4f341a81e253021d45d1d526
+Subproject commit dd597a0fb984e6c681dcf936bdbb1fc07c0521dd