diff --git a/plotutils.changes b/plotutils.changes
index a94f936..fa9bdd0 100644
--- a/plotutils.changes
+++ b/plotutils.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Nov 16 08:19:58 UTC 2011 - coolo@suse.com
+
+- add libtool as buildrequire to avoid implicit dependency
+
 -------------------------------------------------------------------
 Thu Nov 26 09:54:41 CET 2009 - werner@suse.de
 
diff --git a/plotutils.spec b/plotutils.spec
index 1a33162..5509f36 100644
--- a/plotutils.spec
+++ b/plotutils.spec
@@ -1,7 +1,7 @@
 #
-# spec file for package plotutils (Version 2.6)
+# spec file for package plotutils
 #
-# Copyright (c) 2009 SUSE LINUX Products GmbH, Nuernberg, Germany.
+# Copyright (c) 2011 SUSE LINUX Products GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -18,7 +18,7 @@
 
 
 Name:           plotutils
-BuildRequires:  bison flex gcc-c++ libpng-devel xorg-x11-devel zlib-devel
+BuildRequires:  bison flex gcc-c++ libpng-devel libtool xorg-x11-devel zlib-devel
 License:        GPLv2+ ; GPLv3+
 Url:            http://www.gnu.org/software/plotutils/plotutils.html
 Group:          Productivity/Graphics/Visualization/Graph