diff --git a/python-mapnik.spec b/python-mapnik.spec
index 3c4098a..744912f 100644
--- a/python-mapnik.spec
+++ b/python-mapnik.spec
@@ -10,7 +10,7 @@
 
 Name:           python-%{srcname}
 Version:        3.0.23
-Release:        3.20200224git%{shortcommit}%{?dist}
+Release:        4.20200224git%{shortcommit}%{?dist}
 Summary:        Python bindings for Mapnik
 
 License:        LGPLv2+
@@ -94,6 +94,9 @@ PGHOST="$PWD" LANG="C.UTF-8" BOOST_PYTHON_LIB=boost_python%{python3_version_nodo
 
 
 %changelog
+* Tue Jun  2 2020 Tom Hughes <tom@compton.nu> - 3.0.23-4.20200224git7da019c
+- Rebuilt for Boost 1.73
+
 * Tue May 26 2020 Miro Hrončok <mhroncok@redhat.com> - 3.0.23-3.20200224git7da019c
 - Rebuilt for Python 3.9