diff --git a/cproto.spec b/cproto.spec
index 1b914c7..2f99f94 100644
--- a/cproto.spec
+++ b/cproto.spec
@@ -1,7 +1,7 @@
 Summary: Generates function prototypes and variable declarations from C code
 Name: cproto
 Version: 4.7m
-Release: 3%{?dist}
+Release: 4%{?dist}
 License: Public Domain
 Group: Development/Tools
 Source: ftp://invisible-island.net/cproto/cproto-%{version}.tgz
@@ -37,6 +37,9 @@ make %{?_smp_mflags} check
 %{_mandir}/man1/cproto.*
 
 %changelog
+* Wed Jul 26 2017 Fedora Release Engineering <releng@fedoraproject.org> - 4.7m-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild
+
 * Fri Feb 10 2017 Fedora Release Engineering <releng@fedoraproject.org> - 4.7m-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild