diff --git a/rust-miniz_oxide.spec b/rust-miniz_oxide.spec
index 5c20113..bc51dc9 100644
--- a/rust-miniz_oxide.spec
+++ b/rust-miniz_oxide.spec
@@ -7,7 +7,7 @@
 
 Name:           rust-%{crate}
 Version:        0.2.1
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        DEFLATE compression and decompression library rewritten in Rust based on miniz
 
 # Upstream license specification: MIT
@@ -72,6 +72,9 @@ which use "default" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Fri Jul 26 2019 Fedora Release Engineering <releng@fedoraproject.org> - 0.2.1-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
+
 * Sat Jun 22 09:38:31 CEST 2019 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.2.1-3
 - Regenerate