diff --git a/lib/external/pattern_language b/lib/external/pattern_language
index ac2931943..d77b2d442 160000
--- a/lib/external/pattern_language
+++ b/lib/external/pattern_language
@@ -1 +1 @@
-Subproject commit ac2931943d2b7f98622f6f9605a4f416625e8567
+Subproject commit d77b2d4428d2faa4553b0f72cf49d5d6de3c24ce