diff --git a/patch.spec b/patch.spec
index 33b2a29..6c860e5 100644
--- a/patch.spec
+++ b/patch.spec
@@ -37,6 +37,7 @@ BuildRequires: gcc
 BuildRequires: libselinux-devel
 BuildRequires: libattr-devel
 BuildRequires: ed
+BuildRequires: autoconf
 
 Provides: bundled(gnulib) = %{gnulib_ver}