diff --git a/lib/external/pattern_language b/lib/external/pattern_language
index 4e74b705f..e6a7b18de 160000
--- a/lib/external/pattern_language
+++ b/lib/external/pattern_language
@@ -1 +1 @@
-Subproject commit 4e74b705f68a24377144d11c9e5143e4935cf1e0
+Subproject commit e6a7b18de4ff37e1c56bb4ee8d543c66f447aa10