diff --git a/lib/external/pattern_language b/lib/external/pattern_language
index b351fa711..40bdf0a83 160000
--- a/lib/external/pattern_language
+++ b/lib/external/pattern_language
@@ -1 +1 @@
-Subproject commit b351fa71165e2efcc572564bd66d5d1155a65b6f
+Subproject commit 40bdf0a838f18e936344b534aad6ac734b44f2aa