diff --git a/lib/external/pattern_language b/lib/external/pattern_language
index aa2ae1263..c2e4a6752 160000
--- a/lib/external/pattern_language
+++ b/lib/external/pattern_language
@@ -1 +1 @@
-Subproject commit aa2ae12638d9e6f0a0788c90190a4f713a829449
+Subproject commit c2e4a6752ff4b4419d45414fb53d65470bfff97c