diff --git a/source/prjtrellis b/source/prjtrellis
index ca601cd..4e0b215 160000
--- a/source/prjtrellis
+++ b/source/prjtrellis
@@ -1 +1 @@
-Subproject commit ca601cd272c93c0be8d51f2a9ce052066c8d0de1
+Subproject commit 4e0b21597774084fca16762d5f5d88573420f1bf