diff --git a/lib/external/pattern_language b/lib/external/pattern_language
index 5208a472e..da644bd6e 160000
--- a/lib/external/pattern_language
+++ b/lib/external/pattern_language
@@ -1 +1 @@
-Subproject commit 5208a472ec7aa18dd3795d5a7c96f6b8de1d9dd3
+Subproject commit da644bd6ec1066000549f37cc23a736124f3abb8