diff --git a/autoconf213.spec b/autoconf213.spec
index 0bdfd9f..5c33842 100644
--- a/autoconf213.spec
+++ b/autoconf213.spec
@@ -1,7 +1,7 @@
 Summary:    A GNU tool for automatically configuring source code
 Name:       autoconf213
 Version:    2.13
-Release:    42%{?dist}
+Release:    43%{?dist}
 License:    GPLv2+
 URL:        http://www.gnu.org/software/autoconf/
 Source:     ftp://prep.ai.mit.edu/pub/gnu/autoconf/autoconf-%{version}.tar.gz
@@ -79,6 +79,9 @@ make check
 %doc AUTHORS COPYING NEWS README TODO
 
 %changelog
+* Wed Jul 24 2019 Fedora Release Engineering <releng@fedoraproject.org> - 2.13-43
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
+
 * Thu Feb 21 2019 Jeroen van Meeuwen (Kolab Systems) <vanmeeuwen@kolabsys.com> - 2.13-42
 - Ensure %{_infodir}/standards* is not installed in install, or conflict with binutils'
   version.