diff --git a/autoconf213.spec b/autoconf213.spec
index 3720079..6ce09f6 100644
--- a/autoconf213.spec
+++ b/autoconf213.spec
@@ -1,7 +1,7 @@
 Summary:    A GNU tool for automatically configuring source code
 Name:       autoconf213
 Version:    2.13
-Release:    16%{?dist}
+Release:    17%{?dist}
 License:    GPL
 Group:      Development/Tools
 URL:        http://www.gnu.org/software/autoconf/
@@ -90,6 +90,11 @@ rm -rf ${RPM_BUILD_ROOT}
 %doc AUTHORS COPYING NEWS README TODO
 
 %changelog
+* Mon Feb 26 2007 Karsten Hopp <karsten@redhat.com> 2.13-17
+- our tarball hat different size and timestamps then the upstream
+  tarball. No changes, though.
+- rebuild with upstream sources
+
 * Thu Feb 15 2007 Karsten Hopp <karsten@redhat.com> 2.13-16
 - delete old autoconf.info file
 
diff --git a/sources b/sources
index 0294b30..a6e07a3 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-f17672fa61dcb22f2ae0ca23d4deeec4  autoconf-2.13.tar.gz
+9de56d4a161a723228220b0f425dc711  autoconf-2.13.tar.gz