diff --git a/mp.spec b/mp.spec
index c0a3bb2..f8c83d7 100644
--- a/mp.spec
+++ b/mp.spec
@@ -34,7 +34,7 @@
 
 Name: mp
 Version: 3.1.0
-Release: 38.%{date}git%{shortcommit}%{?dist}
+Release: 39.%{date}git%{shortcommit}%{?dist}
 License: MIT and BSD
 Summary: An open-source library for mathematical programming
 URL: https://github.com/ampl/mp
@@ -314,6 +314,9 @@ popd
 %doc build/doc/ampl.github.io/*
 
 %changelog
+* Thu Jul 21 2022 Fedora Release Engineering <releng@fedoraproject.org> - 3.1.0-39.20200303git7fd4828
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild
+
 * Tue Jul 05 2022 Antonio Trande <sagitter@fedoraproject.org.com> - 3.1.0-38.20200303git7fd4828
 - Drop JDK in i686 builds