diff --git a/lib/external/pattern_language b/lib/external/pattern_language
index 842227ba4..8d78e153d 160000
--- a/lib/external/pattern_language
+++ b/lib/external/pattern_language
@@ -1 +1 @@
-Subproject commit 842227ba459e4387b6208bc4c6686ba423802188
+Subproject commit 8d78e153d9ee628a8fe80019effcdd2f7785224f