diff --git a/lmdb.spec b/lmdb.spec
index fe29694..9877a2e 100644
--- a/lmdb.spec
+++ b/lmdb.spec
@@ -3,7 +3,7 @@
 
 Name:           lmdb
 Version:        0.9.21
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Memory-mapped key-value database
 
 License:        OpenLDAP
@@ -119,6 +119,9 @@ popd
 
 
 %changelog
+* Thu Feb 08 2018 Fedora Release Engineering <releng@fedoraproject.org> - 0.9.21-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild
+
 * Thu Aug 03 2017 Fedora Release Engineering <releng@fedoraproject.org> - 0.9.21-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild