diff --git a/pyserial.spec b/pyserial.spec
index 9f373b8..cea66d3 100644
--- a/pyserial.spec
+++ b/pyserial.spec
@@ -1,7 +1,7 @@
 Summary: Python serial port access library
 Name: pyserial
 Version: 3.1.1
-Release: 3%{?dist}
+Release: 4%{?dist}
 Source0: http://easynews.dl.sourceforge.net/sourceforge/%{name}/%{name}-%{version}.tar.gz
 License: Python
 Group: Development/Libraries
@@ -69,6 +69,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_bindir}/miniterm-%{python3_version}.py
 
 %changelog
+* Thu Jul 27 2017 Fedora Release Engineering <releng@fedoraproject.org> - 3.1.1-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild
+
 * Sat Feb 11 2017 Fedora Release Engineering <releng@fedoraproject.org> - 3.1.1-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild