diff --git a/rust-once_cell.spec b/rust-once_cell.spec
index 2cd41da..3ba85df 100644
--- a/rust-once_cell.spec
+++ b/rust-once_cell.spec
@@ -6,7 +6,7 @@
 
 Name:           rust-%{crate}
 Version:        1.5.2
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Single assignment cells and lazy values
 
 # Upstream license specification: MIT OR Apache-2.0
@@ -119,6 +119,9 @@ which use "unstable" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.5.2-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
 * Thu Nov 12 2020 Fabio Valentini <decathorpe@gmail.com> - 1.5.2-1
 - Update to version 1.5.2.
 - Fixes RHBZ#1897157