diff --git a/libchewing.spec b/libchewing.spec
index f23b87a..83535f5 100644
--- a/libchewing.spec
+++ b/libchewing.spec
@@ -5,7 +5,7 @@
 
 Name:           libchewing
 Version:        0.5.1
-Release:        18%{?dist}
+Release:        19%{?dist}
 Summary:        Intelligent phonetic input method library for Traditional Chinese
 Summary(zh_TW): %{name_zh_TW}
 
@@ -97,6 +97,9 @@ rm -f %{buildroot}/%{_infodir}/dir
 %{libchewing_python_dir}/__pycache__/*
 
 %changelog
+* Tue Jul 28 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0.5.1-19
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
+
 * Tue May 26 2020 Miro Hrončok <mhroncok@redhat.com> - 0.5.1-18
 - Rebuilt for Python 3.9