diff --git a/rust-synstructure.spec b/rust-synstructure.spec
index 596be5b..c68f9af 100644
--- a/rust-synstructure.spec
+++ b/rust-synstructure.spec
@@ -7,7 +7,7 @@
 
 Name:           rust-%{crate}
 Version:        0.12.4
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Helper methods and macros for custom derives
 
 # Upstream license specification: MIT
@@ -84,6 +84,9 @@ which use "proc-macro" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.12.4-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
 * Sat Aug 01 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0.12.4-3
 - Second attempt - Rebuilt for
   https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild