diff --git a/lib/external/pattern_language b/lib/external/pattern_language
index e2d62dc6f..b020af259 160000
--- a/lib/external/pattern_language
+++ b/lib/external/pattern_language
@@ -1 +1 @@
-Subproject commit e2d62dc6fe89b91aa52b72c73d406e2dc902d773
+Subproject commit b020af2590b660c6d843a693883867d689065656