diff --git a/ghc-base64-bytestring.spec b/ghc-base64-bytestring.spec
index 65042a8..9fc912e 100644
--- a/ghc-base64-bytestring.spec
+++ b/ghc-base64-bytestring.spec
@@ -8,7 +8,7 @@
 
 Name:           ghc-%{pkg_name}
 Version:        1.0.0.1
-Release:        11%{?dist}
+Release:        12%{?dist}
 Summary:        Fast base64 encoding and decoding for ByteStrings
 
 License:        BSD
@@ -79,6 +79,9 @@ files.
 
 
 %changelog
+* Wed Aug 02 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.0.1-12
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild
+
 * Wed Jul 26 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.0.1-11
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild