diff --git a/expat.changes b/expat.changes
index eab5c41..11073b5 100644
--- a/expat.changes
+++ b/expat.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Jan 22 12:40:02 UTC 2013 - jengelh@inai.de
+
+- Executing autoreconf requires autoconf BuildRequire
+
 -------------------------------------------------------------------
 Fri Jan 18 08:53:33 UTC 2013 - pgajdos@suse.com
 
diff --git a/expat.spec b/expat.spec
index bb59486..c09b9e6 100644
--- a/expat.spec
+++ b/expat.spec
@@ -34,6 +34,7 @@ Source2:        baselibs.conf
 Patch2:         expat-visibility.patch
 Patch3:         expat-alloc-size.patch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
+BuildRequires:  autoconf >= 2.58
 BuildRequires:  gcc-c++
 BuildRequires:  libtool
 BuildRequires:  pkg-config