diff --git a/lib/external/pattern_language b/lib/external/pattern_language
index 2578faba4..6d8bba64a 160000
--- a/lib/external/pattern_language
+++ b/lib/external/pattern_language
@@ -1 +1 @@
-Subproject commit 2578faba45e5361bf369297f2be22640e42bc07c
+Subproject commit 6d8bba64aa64e2271a74dd66d4a7246cf9437791