diff --git a/rust-nom.spec b/rust-nom.spec
index f455e93..1dab24d 100644
--- a/rust-nom.spec
+++ b/rust-nom.spec
@@ -6,7 +6,7 @@
 
 Name:           rust-%{crate}
 Version:        4.2.3
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Byte-oriented, zero-copy, parser combinators library
 
 # Upstream license specification: MIT
@@ -160,6 +160,9 @@ which use "verbose-errors" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Fri Jul 26 2019 Fedora Release Engineering <releng@fedoraproject.org> - 4.2.3-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
+
 * Mon Jun 24 13:03:16 CEST 2019 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 4.2.3-3
 - Enable tests on 32bit