diff --git a/src/gpm-backlight.c b/src/gpm-backlight.c
index 1f1d834..d2938a4 100644
--- a/src/gpm-backlight.c
+++ b/src/gpm-backlight.c
@@ -410,7 +410,11 @@ gpm_settings_key_changed_cb (GSettings *settings, const gchar *key, GpmBacklight
  * Does the actions when the ac power source is inserted/removed.
  **/
 static void
+#if UP_CHECK_VERSION(0, 99, 0)
+gpm_backlight_client_changed_cb (UpClient *client, GParamSpec *pspec, GpmBacklight *backlight)
+#else
 gpm_backlight_client_changed_cb (UpClient *client, GpmBacklight *backlight)
+#endif
 {
 	gpm_backlight_brightness_evaluate_and_set (backlight, FALSE, TRUE);
 }
@@ -727,8 +731,13 @@ gpm_backlight_init (GpmBacklight *backlight)
 
 	/* we use up_client for the ac-adapter-changed signal */
 	backlight->priv->client = up_client_new ();
+#if UP_CHECK_VERSION(0, 99, 0)
+	g_signal_connect (backlight->priv->client, "notify",
+			  G_CALLBACK (gpm_backlight_client_changed_cb), backlight);
+#else
 	g_signal_connect (backlight->priv->client, "changed",
 			  G_CALLBACK (gpm_backlight_client_changed_cb), backlight);
+#endif
 
 	/* gets caps */
 	backlight->priv->can_dim = gpm_brightness_has_hw (backlight->priv->brightness);
diff --git a/src/gpm-button.c b/src/gpm-button.c
index 1e38173..b331cf6 100644
--- a/src/gpm-button.c
+++ b/src/gpm-button.c
@@ -324,7 +324,11 @@ gpm_button_reset_time (GpmButton *button)
  * gpm_button_client_changed_cb
  **/
 static void
+#if UP_CHECK_VERSION(0, 99, 0)
+gpm_button_client_changed_cb (UpClient *client, GParamSpec *pspec, GpmButton *button)
+#else
 gpm_button_client_changed_cb (UpClient *client, GpmButton *button)
+#endif
 {
 	gboolean lid_is_closed;
 
@@ -363,9 +367,13 @@ gpm_button_init (GpmButton *button)
 
 	button->priv->client = up_client_new ();
 	button->priv->lid_is_closed = up_client_get_lid_is_closed (button->priv->client);
+#if UP_CHECK_VERSION(0, 99, 0)
+	g_signal_connect (button->priv->client, "notify",
+			  G_CALLBACK (gpm_button_client_changed_cb), button);
+#else
 	g_signal_connect (button->priv->client, "changed",
 			  G_CALLBACK (gpm_button_client_changed_cb), button);
-
+#endif
 	/* register the brightness keys */
 	gpm_button_xevent_key (button, XF86XK_PowerOff, GPM_BUTTON_POWER);
 #ifdef HAVE_XF86XK_SUSPEND
diff --git a/src/gpm-control.c b/src/gpm-control.c
index ec50136..0562d38 100644
--- a/src/gpm-control.c
+++ b/src/gpm-control.c
@@ -289,10 +289,11 @@ gpm_control_suspend (GpmControl *control, GError **error)
 		}
 		g_object_unref(proxy);
 	}
+#if !UP_CHECK_VERSION(0, 99, 0)
 	else {
 		ret = up_client_suspend_sync (control->priv->client, NULL, error);
 	}
-
+#endif
 	egg_debug ("emitting resume");
 	g_signal_emit (control, signals [RESUME], 0, GPM_CONTROL_ACTION_SUSPEND);
 
@@ -399,10 +400,11 @@ gpm_control_hibernate (GpmControl *control, GError **error)
 			ret = TRUE;
 		}
 	}
+#if !UP_CHECK_VERSION(0, 99, 0)
 	else {
 		ret = up_client_hibernate_sync (control->priv->client, NULL, error);
 	}
-
+#endif
 	egg_debug ("emitting resume");
 	g_signal_emit (control, signals [RESUME], 0, GPM_CONTROL_ACTION_HIBERNATE);
 
diff --git a/src/gpm-engine.c b/src/gpm-engine.c
index 96a043e..e6c6bf2 100644
--- a/src/gpm-engine.c
+++ b/src/gpm-engine.c
@@ -768,12 +768,14 @@ gpm_engine_coldplug_idle_cb (GpmEngine *engine)
 	guint i;
 	GPtrArray *array = NULL;
 	UpDevice *device;
+#if !UP_CHECK_VERSION(0, 99, 0)
 	gboolean ret;
 	GError *error = NULL;
+#endif
 
 	g_return_val_if_fail (engine != NULL, FALSE);
 	g_return_val_if_fail (GPM_IS_ENGINE (engine), FALSE);
-
+#if !UP_CHECK_VERSION(0, 99, 0)
 	/* get devices from UPower */
 	ret = up_client_enumerate_devices_sync (engine->priv->client, NULL, &error);
 	if (!ret) {
@@ -781,7 +783,7 @@ gpm_engine_coldplug_idle_cb (GpmEngine *engine)
 		g_error_free (error);
 		goto out;
 	}
-
+#endif
 	/* connected mobile phones */
 	gpm_phone_coldplug (engine->priv->phone);
 
@@ -793,7 +795,9 @@ gpm_engine_coldplug_idle_cb (GpmEngine *engine)
 		device = g_ptr_array_index (array, i);
 		gpm_engine_device_add (engine, device);
 	}
+#if !UP_CHECK_VERSION(0, 99, 0)
 out:
+#endif
 	if (array != NULL)
 		g_ptr_array_unref (array);
 	/* never repeat */
@@ -816,6 +820,22 @@ gpm_engine_device_added_cb (UpClient *client, UpDevice *device, GpmEngine *engin
  * gpm_engine_device_removed_cb:
  **/
 static void
+#if UP_CHECK_VERSION(0, 99, 0)
+gpm_engine_device_removed_cb (UpClient *client, const char *object_path, GpmEngine *engine)
+{
+	guint i;
+
+	for (i = 0; i < engine->priv->array->len; i++) {
+		UpDevice *device = g_ptr_array_index (engine->priv->array, i);
+
+		if (g_strcmp0 (object_path, up_device_get_object_path (device)) == 0) {
+			g_ptr_array_remove_index (engine->priv->array, i);
+			break;
+		}
+	}
+	gpm_engine_recalculate_state (engine);
+}
+#else
 gpm_engine_device_removed_cb (UpClient *client, UpDevice *device, GpmEngine *engine)
 {
 	gboolean ret;
@@ -824,12 +844,18 @@ gpm_engine_device_removed_cb (UpClient *client, UpDevice *device, GpmEngine *eng
 		return;
 	gpm_engine_recalculate_state (engine);
 }
-
+#endif
 
 /**
  * gpm_engine_device_changed_cb:
  **/
 static void
+#if UP_CHECK_VERSION(0, 99, 0)
+gpm_engine_device_changed_cb (UpClient *client, GParamSpec *pspec, GpmEngine *engine)
+{
+	gpm_engine_recalculate_state (engine);
+}
+#else
 gpm_engine_device_changed_cb (UpClient *client, UpDevice *device, GpmEngine *engine)
 {
 	UpDeviceKind kind;
@@ -891,6 +917,7 @@ gpm_engine_device_changed_cb (UpClient *client, UpDevice *device, GpmEngine *eng
 
 	gpm_engine_recalculate_state (engine);
 }
+#endif
 
 /**
  * gpm_engine_get_devices:
@@ -1003,7 +1030,10 @@ phone_device_refresh_cb (GpmPhone *phone, guint idx, GpmEngine *engine)
 static void
 gpm_engine_init (GpmEngine *engine)
 {
-
+#if UP_CHECK_VERSION(0, 99, 0)
+	GPtrArray *array = NULL;
+	guint i;
+#endif
 	engine->priv = GPM_ENGINE_GET_PRIVATE (engine);
 
 	engine->priv->array = g_ptr_array_new_with_free_func (g_object_unref);
@@ -1012,8 +1042,13 @@ gpm_engine_init (GpmEngine *engine)
 			  G_CALLBACK (gpm_engine_device_added_cb), engine);
 	g_signal_connect (engine->priv->client, "device-removed",
 			  G_CALLBACK (gpm_engine_device_removed_cb), engine);
+#if UP_CHECK_VERSION(0, 99, 0)
+	g_signal_connect (engine->priv->client, "notify",
+			  G_CALLBACK (gpm_engine_device_changed_cb), engine);
+#else
 	g_signal_connect (engine->priv->client, "device-changed",
 			  G_CALLBACK (gpm_engine_device_changed_cb), engine);
+#endif
 
 	engine->priv->settings = g_settings_new (GPM_SETTINGS_SCHEMA);
 	g_signal_connect (engine->priv->settings, "changed",
@@ -1027,6 +1062,18 @@ gpm_engine_init (GpmEngine *engine)
 	g_signal_connect (engine->priv->phone, "device-refresh",
 			  G_CALLBACK (phone_device_refresh_cb), engine);
 
+#if UP_CHECK_VERSION(0, 99, 0)
+	/* coldplug */
+	array = up_client_get_devices(engine->priv->client);
+	if (array) {
+		for (i = 0; i < array->len; i++) {
+			UpDevice *device = g_ptr_array_index (array, i);
+			gpm_engine_device_added_cb(engine->priv->client, device, engine);
+		}
+		g_ptr_array_free (array, TRUE);
+	}
+#endif
+
 	/* create a fake virtual composite battery */
 	engine->priv->battery_composite = up_device_new ();
 	g_object_set (engine->priv->battery_composite,
diff --git a/src/gpm-kbd-backlight.c b/src/gpm-kbd-backlight.c
index a439e94..3a0f6e6 100644
--- a/src/gpm-kbd-backlight.c
+++ b/src/gpm-kbd-backlight.c
@@ -486,6 +486,9 @@ gpm_kbd_backlight_control_resume_cb (GpmControl *control,
  **/
 static void
 gpm_kbd_backlight_client_changed_cb (UpClient *client,
+#if UP_CHECK_VERSION(0, 99, 0)
+                    GParamSpec *pspec,
+#endif
                     GpmKbdBacklight *backlight)
 {
    gpm_kbd_backlight_evaluate_power_source_and_set (backlight);
@@ -755,8 +758,13 @@ gpm_kbd_backlight_init (GpmKbdBacklight *backlight)
 
    /* Use upower for ac changed signal */
    backlight->priv->client = up_client_new ();
+#if UP_CHECK_VERSION(0, 99, 0)
+   g_signal_connect (backlight->priv->client, "notify",
+             G_CALLBACK (gpm_kbd_backlight_client_changed_cb), backlight);
+#else
    g_signal_connect (backlight->priv->client, "changed",
              G_CALLBACK (gpm_kbd_backlight_client_changed_cb), backlight);
+#endif
 
     backlight->priv->settings = g_settings_new (GPM_SETTINGS_SCHEMA);
 	//g_signal_connect (backlight->priv->settings, "changed", G_CALLBACK (gpm_settings_key_changed_cb), backlight);
diff --git a/src/gpm-manager.c b/src/gpm-manager.c
index c4d0530..df84cac 100644
--- a/src/gpm-manager.c
+++ b/src/gpm-manager.c
@@ -971,7 +971,11 @@ gpm_manager_get_spindown_timeout (GpmManager *manager)
  * gpm_manager_client_changed_cb:
  **/
 static void
+#if UP_CHECK_VERSION(0, 99, 0)
+gpm_manager_client_changed_cb (UpClient *client, GParamSpec *pspec, GpmManager *manager)
+#else
 gpm_manager_client_changed_cb (UpClient *client, GpmManager *manager)
+#endif
 {
 	gboolean event_when_closed;
 	gint timeout;
@@ -1853,8 +1857,13 @@ gpm_manager_init (GpmManager *manager)
 	g_signal_connect (manager->priv->settings, "changed",
 			  G_CALLBACK (gpm_manager_settings_changed_cb), manager);
 	manager->priv->client = up_client_new ();
+#if UP_CHECK_VERSION(0, 99, 0)
+	g_signal_connect (manager->priv->client, "notify",
+			  G_CALLBACK (gpm_manager_client_changed_cb), manager);
+#else
 	g_signal_connect (manager->priv->client, "changed",
 			  G_CALLBACK (gpm_manager_client_changed_cb), manager);
+#endif
 
 	/* use libmatenotify */
 	notify_init (GPM_NAME);
diff --git a/src/gpm-prefs-core.c b/src/gpm-prefs-core.c
index 7a2662d..6abb792 100644
--- a/src/gpm-prefs-core.c
+++ b/src/gpm-prefs-core.c
@@ -811,7 +811,9 @@ gpm_prefs_init (GpmPrefs *prefs)
 	UpDevice *device;
 	UpDeviceKind kind;
 	GpmBrightness *brightness;
+#if !UP_CHECK_VERSION(0, 99, 0)
 	gboolean ret;
+#endif
 	guint i;
 
 	GDBusProxy *proxy;
@@ -897,9 +899,11 @@ gpm_prefs_init (GpmPrefs *prefs)
 	else {
 		/* are we allowed to shutdown? */
 		egg_console_kit_can_stop (prefs->priv->console, &prefs->priv->can_shutdown, NULL);
+#if !UP_CHECK_VERSION(0, 99, 0)
 		/* get values from UpClient */
 		prefs->priv->can_suspend = up_client_get_can_suspend (prefs->priv->client);
 		prefs->priv->can_hibernate = up_client_get_can_hibernate (prefs->priv->client);
+#endif
 	}
 
 	if (LOGIND_RUNNING()) {
@@ -953,14 +957,14 @@ gpm_prefs_init (GpmPrefs *prefs)
 	brightness = gpm_brightness_new ();
 	prefs->priv->has_lcd = gpm_brightness_has_hw (brightness);
 	g_object_unref (brightness);
-
+#if !UP_CHECK_VERSION(0, 99, 0)
 	/* get device list */
 	ret = up_client_enumerate_devices_sync (prefs->priv->client, NULL, &error);
 	if (!ret) {
 		egg_warning ("failed to get device list: %s", error->message);
 		g_error_free (error);
 	}
-
+#endif
 	devices = up_client_get_devices (prefs->priv->client);
 	for (i=0; i<devices->len; i++) {
 		device = g_ptr_array_index (devices, i);
diff --git a/src/gpm-statistics.c b/src/gpm-statistics.c
index 98b5632..13489dc 100644
--- a/src/gpm-statistics.c
+++ b/src/gpm-statistics.c
@@ -1236,6 +1236,12 @@ gpm_stats_device_added_cb (UpClient *client, UpDevice *device, gpointer user_dat
  * gpm_stats_device_changed_cb:
  **/
 static void
+#if UP_CHECK_VERSION(0, 99, 0)
+gpm_stats_device_changed_cb (UpClient *client, GParamSpec *pspec, gpointer user_data)
+{
+	gpm_stats_button_update_ui();
+}
+#else
 gpm_stats_device_changed_cb (UpClient *client, UpDevice *device, gpointer user_data)
 {
 	const gchar *object_path;
@@ -1246,6 +1252,7 @@ gpm_stats_device_changed_cb (UpClient *client, UpDevice *device, gpointer user_d
 	if (g_strcmp0 (current_device, object_path) == 0)
 		gpm_stats_update_info_data (device);
 }
+#endif
 
 /**
  * gpm_stats_device_removed_cb:
@@ -1794,11 +1801,12 @@ main (int argc, char *argv[])
 
 	wakeups = up_wakeups_new ();
 	g_signal_connect (wakeups, "data-changed", G_CALLBACK (gpm_stats_data_changed_cb), NULL);
-
+#if !UP_CHECK_VERSION(0, 99, 0)
 	/* coldplug */
 	ret = up_client_enumerate_devices_sync (client, NULL, NULL);
 	if (!ret)
 		goto out;
+#endif
 	devices = up_client_get_devices (client);
 
 	/* add devices in visually pleasing order */
@@ -1814,7 +1822,11 @@ main (int argc, char *argv[])
 	/* connect now the coldplug is done */
 	g_signal_connect (client, "device-added", G_CALLBACK (gpm_stats_device_added_cb), NULL);
 	g_signal_connect (client, "device-removed", G_CALLBACK (gpm_stats_device_removed_cb), NULL);
+#if UP_CHECK_VERSION(0, 99, 0)
+	g_signal_connect (client, "notify", G_CALLBACK (gpm_stats_device_changed_cb), NULL);
+#else
 	g_signal_connect (client, "device-changed", G_CALLBACK (gpm_stats_device_changed_cb), NULL);
+#endif
 
 	/* set current device */
 	if (devices->len > 0) {
@@ -1854,8 +1866,9 @@ main (int argc, char *argv[])
 	gtk_widget_show (widget);
 
 	gtk_main ();
-
+#if !UP_CHECK_VERSION(0, 99, 0)
 out:
+#endif
 	g_object_unref (settings);
 	g_object_unref (client);
 	g_object_unref (wakeups);