diff --git a/lib/external/pattern_language b/lib/external/pattern_language
index ab7d738ed..6b8f18ae9 160000
--- a/lib/external/pattern_language
+++ b/lib/external/pattern_language
@@ -1 +1 @@
-Subproject commit ab7d738ed22b2c7bbc2ca7df13e15786cf3ac150
+Subproject commit 6b8f18ae96e0bfc490284997e3b1e489151c534b