diff --git a/lib/external/pattern_language b/lib/external/pattern_language
index 71669fe5f..b28f6237b 160000
--- a/lib/external/pattern_language
+++ b/lib/external/pattern_language
@@ -1 +1 @@
-Subproject commit 71669fe5f986d0f206a48ef76c8b0168a7c8c0ce
+Subproject commit b28f6237b64619e92cc9daa832d1eefa51d000fb