diff -Nru util-linux-2.25.2/debian/changelog util-linux-2.25.2/debian/changelog
--- util-linux-2.25.2/debian/changelog	2014-12-15 07:58:01.000000000 +0100
+++ util-linux-2.25.2/debian/changelog	2015-02-03 09:06:53.000000000 +0100
@@ -1,3 +1,9 @@
+util-linux (2.25.2-4ubuntu2) vivid; urgency=low
+
+  * add missing libudev-dev build-dependency
+
+ -- Michael Vogt <michael.vogt@ubuntu.com>  Tue, 03 Feb 2015 09:06:46 +0100
+
 util-linux (2.25.2-4ubuntu1) vivid; urgency=medium
 
   * Merge from Debian unstable.  Remaining changes:
diff -Nru util-linux-2.25.2/debian/control util-linux-2.25.2/debian/control
--- util-linux-2.25.2/debian/control	2014-12-15 07:55:48.000000000 +0100
+++ util-linux-2.25.2/debian/control	2015-02-03 09:06:41.000000000 +0100
@@ -18,7 +18,8 @@
                pkg-config,
                po-debconf,
                systemd [linux-any],
-               zlib1g-dev
+               zlib1g-dev,
+               libudev-dev
 Section: base
 Priority: required
 Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>