diff --git a/lib/external/pattern_language b/lib/external/pattern_language
index 4b3cf3148..e1c4ef7b4 160000
--- a/lib/external/pattern_language
+++ b/lib/external/pattern_language
@@ -1 +1 @@
-Subproject commit 4b3cf3148c6808ad6eb93287d3b4ad9aca9ca78f
+Subproject commit e1c4ef7b46dea9dea288e46aa177f389212bb1cd