diff --git a/lib/external/pattern_language b/lib/external/pattern_language
index f5ae1a5b8..fa47ecad9 160000
--- a/lib/external/pattern_language
+++ b/lib/external/pattern_language
@@ -1 +1 @@
-Subproject commit f5ae1a5b85c6fd7ef07e133fae480a6cda08dd55
+Subproject commit fa47ecad9885a0c53ac6eaa0e41e2f049444c284