diff --git a/libaec.spec b/libaec.spec
index 3f6ac66..39e6b48 100644
--- a/libaec.spec
+++ b/libaec.spec
@@ -1,6 +1,6 @@
 Name:           libaec
 Version:        1.0.4
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Adaptive Entropy Coding library
 License:        BSD
 Url:            https://gitlab.dkrz.de/k202009/libaec
@@ -61,6 +61,9 @@ make -C build test CTEST_OUTPUT_ON_FAILURE=1
 %{_libdir}/lib*.so
 
 %changelog
+* Tue Jul 28 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.4-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
+
 * Wed Jan 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.4-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild