diff --git a/lib/external/pattern_language b/lib/external/pattern_language
index 86c893637..8ae777ddc 160000
--- a/lib/external/pattern_language
+++ b/lib/external/pattern_language
@@ -1 +1 @@
-Subproject commit 86c893637fcd9b45dc134c3b4d25533f36a7842e
+Subproject commit 8ae777ddcef5fddf3e70844fbd9417fc58f68c45