diff --git a/xcb-util-wm.changes b/xcb-util-wm.changes
index 6f059a2..13b00c9 100644
--- a/xcb-util-wm.changes
+++ b/xcb-util-wm.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Feb  9 19:34:06 UTC 2017 - dimstar@opensuse.org
+
+- Explicitly BuildRequire m4
+
 -------------------------------------------------------------------
 Fri Feb 21 09:25:36 UTC 2014 - zaitor@opensuse.org
 
diff --git a/xcb-util-wm.spec b/xcb-util-wm.spec
index ee705ff..3cd9ee2 100644
--- a/xcb-util-wm.spec
+++ b/xcb-util-wm.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package xcb-util-wm
 #
-# Copyright (c) 2014 SUSE LINUX Products GmbH, Nuernberg, Germany.
+# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -29,6 +29,7 @@ Url:            http://xcb.freedesktop.org/
 Source:         http://xorg.freedesktop.org/releases/individual/xcb/%{name}-%{version}.tar.bz2
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 #git#BuildRequires:	autoconf >= 2.62, automake, libtool
+BuildRequires:  m4
 BuildRequires:  pkgconfig
 BuildRequires:  pkgconfig(xcb) >= 1.4
 BuildRequires:  pkgconfig(xorg-macros) >= 1.6.0