diff --git a/cddlib.spec b/cddlib.spec
index a70e98e..0d7dfff 100644
--- a/cddlib.spec
+++ b/cddlib.spec
@@ -1,6 +1,6 @@
 Name:           cddlib
 Version:        094g
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        A library for generating all vertices in convex polyhedrons
 Group:          Applications/Engineering
 License:        GPLv2+
@@ -9,6 +9,7 @@ Source0:        ftp://ftp.ifor.math.ethz.ch/pub/fukuda/cdd/%{name}-%{version}.ta
 # Extracted from http://www.sagemath.org/packages/standard/cddlib-094f.p11.spkg
 Source1:        cdd_both_reps.c
 
+BuildRequires:  autoconf
 BuildRequires:  gmp-devel
 BuildRequires:  tex(latex)
 
@@ -138,6 +139,9 @@ rm -f $RPM_BUILD_ROOT%{_libdir}/*.la
 
 
 %changelog
+* Sun Jul 22 2012 Conrad Meyer <konrad@tylerc.org> - 094g-4
+- Add autoconf BR as per mass rebuild build failure
+
 * Wed Jul 18 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 094g-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_18_Mass_Rebuild