diff --git a/rust-threadpool.spec b/rust-threadpool.spec
index 7d25c6d..6f206a1 100644
--- a/rust-threadpool.spec
+++ b/rust-threadpool.spec
@@ -6,7 +6,7 @@
 
 Name:           rust-%{crate}
 Version:        1.8.1
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Thread pool for running a number of jobs on a fixed set of worker threads
 
 # Upstream license specification: MIT/Apache-2.0
@@ -72,6 +72,9 @@ which use "default" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.8.1-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
 * Sat Aug 01 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1.8.1-3
 - Second attempt - Rebuilt for
   https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild