diff --git a/libdrm.changes b/libdrm.changes
index ca8d42d..506dfc8 100644
--- a/libdrm.changes
+++ b/libdrm.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Sun Nov 13 09:15:31 UTC 2011 - coolo@suse.com
+
+- add libtool as explicit buildrequire to avoid implicit dependency from prjconf
+
 -------------------------------------------------------------------
 Wed Nov  2 12:58:04 UTC 2011 - sndirsch@suse.com
 
diff --git a/libdrm.spec b/libdrm.spec
index 1d88686..a6aa5b5 100644
--- a/libdrm.spec
+++ b/libdrm.spec
@@ -20,6 +20,7 @@
 
 Name:           libdrm
 BuildRequires:  libpciaccess0-devel pkgconfig xorg-x11-proto-devel
+BuildRequires:  libtool
 Url:            http://dri.sf.net
 License:        MIT License (or similar)
 Group:          System/Libraries