diff --git a/lib/external/pattern_language b/lib/external/pattern_language
index cba364c01..84c2b0e75 160000
--- a/lib/external/pattern_language
+++ b/lib/external/pattern_language
@@ -1 +1 @@
-Subproject commit cba364c0135d153461a41f0703a9c71f17afacae
+Subproject commit 84c2b0e7538817d89fa4391bdd066fcdf667d151