diff --git a/HdrHistogram_c.spec b/HdrHistogram_c.spec
index 3783214..068901b 100644
--- a/HdrHistogram_c.spec
+++ b/HdrHistogram_c.spec
@@ -1,6 +1,6 @@
 Name: HdrHistogram_c
 Version: 0.11.0
-Release: 3%{?dist}
+Release: 4%{?dist}
 Summary: C port of the HdrHistogram 
 License: BSD and Public Domain
 URL: https://github.com/HdrHistogram/%{name}
@@ -64,6 +64,9 @@ find $RPM_BUILD_ROOT
 
 
 %changelog
+* Mon Jan 25 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.11.0-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
 * Sat Aug 01 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0.11.0-3
 - Second attempt - Rebuilt for
   https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild