diff --git a/homeassistant/components/zwave/__init__.py b/homeassistant/components/zwave/__init__.py
index 10942de8097b65..2308db95d1ac42 100644
--- a/homeassistant/components/zwave/__init__.py
+++ b/homeassistant/components/zwave/__init__.py
@@ -33,7 +33,7 @@
 from .discovery_schemas import DISCOVERY_SCHEMAS
 from .util import check_node_schema, check_value_schema, node_name
 
-REQUIREMENTS = ['pydispatcher==2.0.5', 'python_openzwave==0.4.0.35']
+REQUIREMENTS = ['pydispatcher==2.0.5', 'python_openzwave==0.4.3']
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -394,6 +394,11 @@ def soft_reset(service):
         _LOGGER.info("Z-Wave soft_reset have been initialized")
         network.controller.soft_reset()
 
+    def update_config(service):
+        """Update the config from git."""
+        _LOGGER.info("Configuration update has been initialized")
+        network.controller.update_ozw_config()
+
     def test_network(service):
         """Test the network by sending commands to all the nodes."""
         _LOGGER.info("Z-Wave test_network have been initialized")
@@ -646,6 +651,8 @@ def _finalize_start():
         hass.services.register(DOMAIN, const.SERVICE_HEAL_NETWORK,
                                heal_network)
         hass.services.register(DOMAIN, const.SERVICE_SOFT_RESET, soft_reset)
+        hass.services.register(DOMAIN, const.SERVICE_UPDATE_CONFIG,
+                               update_config)
         hass.services.register(DOMAIN, const.SERVICE_TEST_NETWORK,
                                test_network)
         hass.services.register(DOMAIN, const.SERVICE_STOP_NETWORK,
diff --git a/homeassistant/components/zwave/const.py b/homeassistant/components/zwave/const.py
index e2524aefadfd1f..1703870ffa19b6 100644
--- a/homeassistant/components/zwave/const.py
+++ b/homeassistant/components/zwave/const.py
@@ -52,6 +52,7 @@
 SERVICE_REFRESH_ENTITY = "refresh_entity"
 SERVICE_REFRESH_NODE = "refresh_node"
 SERVICE_RESET_NODE_METERS = "reset_node_meters"
+SERVICE_UPDATE_CONFIG = "update_config"
 
 EVENT_SCENE_ACTIVATED = "zwave.scene_activated"
 EVENT_NODE_EVENT = "zwave.node_event"
diff --git a/homeassistant/components/zwave/services.yaml b/homeassistant/components/zwave/services.yaml
index 61855143d59b45..1762c33237d074 100644
--- a/homeassistant/components/zwave/services.yaml
+++ b/homeassistant/components/zwave/services.yaml
@@ -119,6 +119,9 @@ set_wakeup:
     value:
       description: Value of the interval to set. (integer)
 
+update_config:
+  description: Attempt to update ozw configuration files from git to support newer devices.
+
 start_network:
   description: Start the Z-Wave network. This might take a while, depending on how big your Z-Wave network is.
 
diff --git a/requirements_all.txt b/requirements_all.txt
index 93fa176bb635bd..a7289fda70e36a 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -963,7 +963,7 @@ python-wink==1.7.3
 python_opendata_transport==0.0.3
 
 # homeassistant.components.zwave
-python_openzwave==0.4.0.35
+python_openzwave==0.4.3
 
 # homeassistant.components.alarm_control_panel.egardia
 pythonegardia==1.0.26