diff --git a/lib/external/pattern_language b/lib/external/pattern_language
index 27220d58a..4f3462251 160000
--- a/lib/external/pattern_language
+++ b/lib/external/pattern_language
@@ -1 +1 @@
-Subproject commit 27220d58a4d33044643949d6198709730708a36b
+Subproject commit 4f34622513f30461133c8496c8576f328021642e