diff --git a/golang-github-bmizerany-assert.spec b/golang-github-bmizerany-assert.spec
index 117a458..d6fcf3d 100644
--- a/golang-github-bmizerany-assert.spec
+++ b/golang-github-bmizerany-assert.spec
@@ -17,7 +17,7 @@ Assertions for Go tests.}
 
 Name:           %{goname}
 Version:        0
-Release:        0.20%{?dist}
+Release:        0.21%{?dist}
 Summary:        Assertions for Go tests
 
 License:        MIT
@@ -50,6 +50,9 @@ cp %{S:1} %{S:2} .
 %gopkgfiles
 
 %changelog
+* Mon Jul 27 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0-0.21
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
+
 * Tue Jan 28 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0-0.20
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild