diff --git a/lib/external/pattern_language b/lib/external/pattern_language
index c20dac904..bca031c74 160000
--- a/lib/external/pattern_language
+++ b/lib/external/pattern_language
@@ -1 +1 @@
-Subproject commit c20dac904e295517727e7e54fe8433c4e7f58391
+Subproject commit bca031c749992c9e1a236c3a6a254df49790536d