diff --git a/homeassistant/components/sensor/linky.py b/homeassistant/components/sensor/linky.py
index 83a6d793085..316da010ae4 100644
--- a/homeassistant/components/sensor/linky.py
+++ b/homeassistant/components/sensor/linky.py
@@ -16,7 +16,7 @@ from homeassistant.helpers.entity import Entity
 from homeassistant.util import Throttle
 import homeassistant.helpers.config_validation as cv
 
-REQUIREMENTS = ['pylinky==0.1.6']
+REQUIREMENTS = ['pylinky==0.1.8']
 _LOGGER = logging.getLogger(__name__)
 
 SCAN_INTERVAL = timedelta(minutes=10)
@@ -37,11 +37,11 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
 
     from pylinky.client import LinkyClient, PyLinkyError
     client = LinkyClient(username, password, None, timeout)
-
     try:
         client.fetch_data()
     except PyLinkyError as exp:
         _LOGGER.error(exp)
+        client.close_session()
         return
 
     devices = [LinkySensor('Linky', client)]
@@ -80,6 +80,7 @@ class LinkySensor(Entity):
             self._client.fetch_data()
         except PyLinkyError as exp:
             _LOGGER.error(exp)
+            self._client.close_session()
             return
 
         _LOGGER.debug(json.dumps(self._client.get_data(), indent=2))
diff --git a/requirements_all.txt b/requirements_all.txt
index 6c20f961228..bf8011cbb49 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -963,7 +963,7 @@ pylgnetcast-homeassistant==0.2.0.dev0
 pylgtv==0.1.9
 
 # homeassistant.components.sensor.linky
-pylinky==0.1.6
+pylinky==0.1.8
 
 # homeassistant.components.litejet
 pylitejet==0.1