diff --git a/startdde.spec b/startdde.spec
index 5d6c9a4..3a4c14e 100644
--- a/startdde.spec
+++ b/startdde.spec
@@ -1,6 +1,6 @@
 Name:           startdde
 Version:        3.12.1
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Starter of deepin desktop environment
 License:        GPLv3
 URL:            https://github.com/linuxdeepin/startdde
@@ -79,6 +79,9 @@ BUILD_ID="0x$(head -c20 /dev/urandom|od -An -tx1|tr -d ' \n')"
 %{_datadir}/%{name}/memchecker.json
 
 %changelog
+* Sat Jul 27 2019 Fedora Release Engineering <releng@fedoraproject.org> - 3.12.1-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
+
 * Mon May 20 2019 Robin Lee <cheeselee@fedoraproject.org> - 3.12.1-3
 - Add a patch to fix RHBZ#1711001