diff --git a/smoldyn.spec b/smoldyn.spec
index 0a9da79..01b5bd8 100644
--- a/smoldyn.spec
+++ b/smoldyn.spec
@@ -11,7 +11,7 @@
 Name:  smoldyn
 Summary: A particle-based spatial stochastic simulator
 Version: 2.58
-Release: 1%{?dist}
+Release: 2%{?dist}
 
 # The rxnparam.c and SurfaceParam.c source code files are in the public domain.
 #
@@ -170,6 +170,9 @@ popd
 %doc documentation/*
 
 %changelog
+* Fri Jul 26 2019 Fedora Release Engineering <releng@fedoraproject.org> - 2.58-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
+
 * Fri Mar 29 2019 Antonio Trande <sagitter@fedoraproject.org> - 2.58-1
 - Release 2.58