diff --git a/gdm.spec b/gdm.spec
index 8d99a60..0639645 100644
--- a/gdm.spec
+++ b/gdm.spec
@@ -81,6 +81,7 @@ BuildRequires: libXdmcp-devel
 BuildRequires: dbus-glib-devel
 BuildRequires: GConf2-devel
 BuildRequires: pkgconfig(accountsservice) >= 0.6.3
+BuildRequires: dbus-devel
 
 Provides: service(graphical-login) = %{name}