diff --git a/lib/external/pattern_language b/lib/external/pattern_language
index 3aeccbb84..57643899c 160000
--- a/lib/external/pattern_language
+++ b/lib/external/pattern_language
@@ -1 +1 @@
-Subproject commit 3aeccbb84e2bcef9b9b80dae74395d05226327bb
+Subproject commit 57643899ca04accdd1bdb3a3597f863b02db96cb