diff --git a/homeassistant/components/asterisk_mbox.py b/homeassistant/components/asterisk_mbox.py
index e273d7d6f6a..0d6d811db70 100644
--- a/homeassistant/components/asterisk_mbox.py
+++ b/homeassistant/components/asterisk_mbox.py
@@ -15,7 +15,7 @@ import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.dispatcher import (
     async_dispatcher_connect, async_dispatcher_send)
 
-REQUIREMENTS = ['asterisk_mbox==0.4.0']
+REQUIREMENTS = ['asterisk_mbox==0.5.0']
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/requirements_all.txt b/requirements_all.txt
index 327dd974edb..1b8732d53ff 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -139,7 +139,7 @@ apcaccess==0.0.13
 apns2==0.3.0
 
 # homeassistant.components.asterisk_mbox
-asterisk_mbox==0.4.0
+asterisk_mbox==0.5.0
 
 # homeassistant.components.media_player.dlna_dmr
 async-upnp-client==0.12.4