diff --git a/lvm2.spec b/lvm2.spec
index 92e6ed7..aea05d6 100644
--- a/lvm2.spec
+++ b/lvm2.spec
@@ -1,16 +1,16 @@
-%define device_mapper_version 1.02.17-1
+%define device_mapper_version 1.02.17-3
 
 Summary: Userland logical volume management tools 
 Name: lvm2
 Version: 2.02.21
-Release: 1%{?dist}
+Release: 3%{?dist}
 License: GPL
 Group: System Environment/Base
 URL: http://sources.redhat.com/lvm2
 Source0: LVM2.%{version}.tgz
 Patch0: cluster-locking-built-in.patch
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
-BuildRequires: device-mapper >= %{device_mapper_version}
+BuildRequires: device-mapper-devel >= %{device_mapper_version}
 BuildRequires: libselinux-devel >= 1.30.19-4, libsepol-devel
 BuildRequires: ncurses-devel
 BuildRequires: readline-devel
@@ -112,6 +112,9 @@ fi
 
 
 %changelog
+* Mon Feb 05 2007 Alasdair Kergon <agk@redhat.com> - 2.02.21-3
+- Add build dependency on new device-mapper-devel package.
+
 * Wed Jan 31 2007 Alasdair Kergon <agk@redhat.com> - 2.02.21-2
 - Remove superfluous execute perm from .cache data file.