diff --git a/lib/external/pattern_language b/lib/external/pattern_language
index 24456df32..67540ef3c 160000
--- a/lib/external/pattern_language
+++ b/lib/external/pattern_language
@@ -1 +1 @@
-Subproject commit 24456df3284af42b5589099d67f56648a8a50092
+Subproject commit 67540ef3cbeb8f78fb3427a33f52f52625f08578