diff --git a/lib/external/pattern_language b/lib/external/pattern_language
index b962a3db7..e9c9305e0 160000
--- a/lib/external/pattern_language
+++ b/lib/external/pattern_language
@@ -1 +1 @@
-Subproject commit b962a3db79b6f18c454a758cc72dd128ce1a4e28
+Subproject commit e9c9305e03a9a47688ade1ca53c0df85531ded45