diff --git a/mpfr.spec b/mpfr.spec
index f9653f4..03c86c2 100644
--- a/mpfr.spec
+++ b/mpfr.spec
@@ -1,7 +1,7 @@
 Summary: A C library for multiple-precision floating-point computations
 Name: mpfr
 Version: 3.1.5
-Release: 3%{?dist}
+Release: 4%{?dist}
 URL: http://www.mpfr.org/
 Source0: http://www.mpfr.org/mpfr-current/%{name}-%{version}.tar.xz
 # GFDL  (mpfr.texi, mpfr.info and fdl.texi)
@@ -82,6 +82,9 @@ fi
 %{_infodir}/mpfr.info*
 
 %changelog
+* Wed Jul 26 2017 Fedora Release Engineering <releng@fedoraproject.org> - 3.1.5-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild
+
 * Sat Mar  4 2017 Peter Robinson <pbrobinson@fedoraproject.org> 3.1.5-3
 - Examples should be in devel
 - Minor cleanups