diff --git a/lib/external/pattern_language b/lib/external/pattern_language
index 4b32e0134..e50f3591c 160000
--- a/lib/external/pattern_language
+++ b/lib/external/pattern_language
@@ -1 +1 @@
-Subproject commit 4b32e01344dbf39b219efee7a5c6d9d277e7e199
+Subproject commit e50f3591cb4fb8d3b41c7fe9ae0888165a00e20a