diff --git a/lib/external/pattern_language b/lib/external/pattern_language
index ed63a261f..f97580ee8 160000
--- a/lib/external/pattern_language
+++ b/lib/external/pattern_language
@@ -1 +1 @@
-Subproject commit ed63a261f415ce903c8e49c6e2c57a7c5a9db826
+Subproject commit f97580ee8e4645f71953cf592bf69c4481504770