diff --git a/nextpnr.spec b/nextpnr.spec
index 9812ece..40018a6 100644
--- a/nextpnr.spec
+++ b/nextpnr.spec
@@ -5,7 +5,7 @@
 
 Name:		nextpnr
 Version:	0
-Release:	0.11.%{snapdate}git%{shortcommit}%{?dist}
+Release:	0.12.%{snapdate}git%{shortcommit}%{?dist}
 Summary:	FPGA place and route tool
 
 License:	ISC and BSD and MIT and (MIT or Public Domain)
@@ -80,6 +80,9 @@ cp -r ice40/examples/* examples/ice40
 
 
 %changelog
+* Sun May 31 2020 Jonathan Wakely <jwakely@redhat.com> - 0-0.12.20200129git85f4452
+- Rebuilt for Boost 1.73
+
 * Tue May 26 2020 Miro Hrončok <mhroncok@redhat.com> - 0-0.11.20200129git85f4452
 - Rebuilt for Python 3.9