diff --git a/lib/external/pattern_language b/lib/external/pattern_language
index 514f5d722..77aa7d998 160000
--- a/lib/external/pattern_language
+++ b/lib/external/pattern_language
@@ -1 +1 @@
-Subproject commit 514f5d7225b0a3266792c66d515b183ca31b0346
+Subproject commit 77aa7d998571e870e6a2b0af8fc7eb355be96c2b