diff --git a/cairo.changes b/cairo.changes
index 6d10755..4a8814e 100644
--- a/cairo.changes
+++ b/cairo.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri Sep 30 20:07:46 UTC 2011 - coolo@suse.com
+
+- add libtool as buildrequire to make the spec file more reliable
+
 -------------------------------------------------------------------
 Sat Sep 17 22:31:04 UTC 2011 - jengelh@medozas.de
 
diff --git a/cairo.spec b/cairo.spec
index 76698f1..657f9d5 100644
--- a/cairo.spec
+++ b/cairo.spec
@@ -40,6 +40,7 @@ Patch1:         cairo-fix-libs.patch
 BuildRequires:  Mesa-devel
 %endif
 BuildRequires:  gtk-doc
+BuildRequires:  libtool
 BuildRequires:  pkg-config
 BuildRequires:  pkgconfig(fontconfig)
 BuildRequires:  pkgconfig(freetype2)