diff --git a/rust-byte-unit.spec b/rust-byte-unit.spec
index e1367de..efa144b 100644
--- a/rust-byte-unit.spec
+++ b/rust-byte-unit.spec
@@ -6,7 +6,7 @@
 
 Name:           rust-%{crate}
 Version:        4.0.9
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Library for interaction with units of bytes
 
 # Upstream license specification: MIT
@@ -107,6 +107,9 @@ which use "u128" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 4.0.9-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
 * Mon Nov 30 2020 Fabio Valentini <decathorpe@gmail.com> - 4.0.9-1
 - Update to version 4.0.9.
 - Fixes RHBZ#1851602