diff --git a/nextpnr-src b/nextpnr-src
index 5a2eff2..4a7e58a 160000
--- a/nextpnr-src
+++ b/nextpnr-src
@@ -1 +1 @@
-Subproject commit 5a2eff21201eea83a0c8f74cbb5f813271032d21
+Subproject commit 4a7e58a9388971c96d7144f72a3692d1fbc6fdfd