diff --git a/nextpnr-src b/nextpnr-src
index 4220ce1..73b7de7 160000
--- a/nextpnr-src
+++ b/nextpnr-src
@@ -1 +1 @@
-Subproject commit 4220ce100776381fcaed4ceb2efed722e7ddf474
+Subproject commit 73b7de74a5769095acb96eb6c6333ffe161452f2