diff --git a/lib/external/pattern_language b/lib/external/pattern_language
index 75941b459..b18b2e60e 160000
--- a/lib/external/pattern_language
+++ b/lib/external/pattern_language
@@ -1 +1 @@
-Subproject commit 75941b459a1a0e5c90397ab95933dd52098bd313
+Subproject commit b18b2e60e5c4cd6550c1d5e73fdc7e3b238dcd36