diff --git a/lib/external/pattern_language b/lib/external/pattern_language
index ba190cb5d..9e984e0bd 160000
--- a/lib/external/pattern_language
+++ b/lib/external/pattern_language
@@ -1 +1 @@
-Subproject commit ba190cb5de1db4c46a2d759fab5d7727e3b71820
+Subproject commit 9e984e0bd3382c1f093395916c0a12699bf02a29