diff --git a/lib/external/pattern_language b/lib/external/pattern_language
index 595598f2c1e11..70a31444a750f 160000
--- a/lib/external/pattern_language
+++ b/lib/external/pattern_language
@@ -1 +1 @@
-Subproject commit 595598f2c1e117fefaaa2f0aea7d2be6b3fe1030
+Subproject commit 70a31444a750fc92bf62e2ae07aff6484b226d49