diff --git a/lib/external/pattern_language b/lib/external/pattern_language
index 451abb159..ca06a2ef9 160000
--- a/lib/external/pattern_language
+++ b/lib/external/pattern_language
@@ -1 +1 @@
-Subproject commit 451abb159b41571acd345406751c7a95629709f3
+Subproject commit ca06a2ef9b1ebbbbee475e98209b1a45b5c72ab8