diff --git a/lib/external/pattern_language b/lib/external/pattern_language
index 3d192fb62..acf127c4a 160000
--- a/lib/external/pattern_language
+++ b/lib/external/pattern_language
@@ -1 +1 @@
-Subproject commit 3d192fb629513121c7dbc9bcc46c0be00d9b55ea
+Subproject commit acf127c4a39e7009ec885dd8b919ebcb0b3dd512