--- a/configure.ac
+++ b/configure.ac
@@ -97,8 +97,8 @@
 AC_SUBST([GKEYFILE_SHARP_LIBS])
 
 dnl -- Use D-Bus# where available.
-PKG_CHECK_MODULES([DBUS_SHARP], [dbus-sharp-1.0], HAVE_DBUS_SHARP=yes, HAVE_DBUS_SHARP=no)
-PKG_CHECK_MODULES([DBUS_SHARP_GLIB], [dbus-sharp-glib-1.0], HAVE_DBUS_SHARP_GLIB=yes, HAVE_DBUS_SHARP_GLIB=no)
+PKG_CHECK_MODULES([DBUS_SHARP], [dbus-sharp-2.0], HAVE_DBUS_SHARP=yes, HAVE_DBUS_SHARP=no)
+PKG_CHECK_MODULES([DBUS_SHARP_GLIB], [dbus-sharp-glib-2.0], HAVE_DBUS_SHARP_GLIB=yes, HAVE_DBUS_SHARP_GLIB=no)
 
 if test "x$HAVE_DBUS_SHARP" = "xyes" ; then
 	DBUS_BUILD_DEFINES=-define:USE_DBUS_SHARP