diff --git a/Formula/autoconf-archive.rb b/Formula/autoconf-archive.rb
index 0056808d34..eaf693ac0b 100644
--- a/Formula/autoconf-archive.rb
+++ b/Formula/autoconf-archive.rb
@@ -2,12 +2,12 @@ require 'formula'
 
 class AutoconfArchive < Formula
   homepage 'http://savannah.gnu.org/projects/autoconf-archive/'
-  url 'http://ftpmirror.gnu.org/autoconf-archive/autoconf-archive-2013.02.02.tar.bz2'
-  mirror 'http://ftp.gnu.org/gnu/autoconf-archive/autoconf-archive-2013.02.02.tar.bz2'
-  sha1 '73c004801f0059e97b17db45eacd47a5095cc364'
+  url 'http://ftpmirror.gnu.org/autoconf-archive/autoconf-archive-2013.04.06.tar.bz2'
+  mirror 'http://ftp.gnu.org/gnu/autoconf-archive/autoconf-archive-2013.04.06.tar.bz2'
+  sha1 'e52250911531c0ba0382c823c544e00e38750240'
 
   def install
-    system './configure', "--prefix=#{prefix}"
+    system "./configure", "--prefix=#{prefix}"
     system 'make install'
   end
 end