diff --git a/lib/external/pattern_language b/lib/external/pattern_language
index 430136beb..4027e270c 160000
--- a/lib/external/pattern_language
+++ b/lib/external/pattern_language
@@ -1 +1 @@
-Subproject commit 430136beb6d49a08a6726bc127d4b311ab0d29dc
+Subproject commit 4027e270c73d8569226d25901ee13e33aa506b15