diff --git a/homeassistant/components/calendar/google.py b/homeassistant/components/calendar/google.py
index 87893125e6f74a320aa9bcafdf77110876f8b9c6..279fb1e2694ced68858b1de9467a5b614b551554 100644
--- a/homeassistant/components/calendar/google.py
+++ b/homeassistant/components/calendar/google.py
@@ -4,7 +4,6 @@ Support for Google Calendar Search binary sensors.
 For more details about this platform, please refer to the documentation at
 https://home-assistant.io/components/binary_sensor.google_calendar/
 """
-# pylint: disable=import-error
 import logging
 from datetime import timedelta
 
diff --git a/homeassistant/components/google.py b/homeassistant/components/google.py
index 203b1a94b7f9e8024630b99be8d9de4fa6787858..fdbc33820720246ecd6dc67d1722191babef681f 100644
--- a/homeassistant/components/google.py
+++ b/homeassistant/components/google.py
@@ -25,6 +25,7 @@ from homeassistant.util import convert, dt
 
 REQUIREMENTS = [
     'google-api-python-client==1.6.4',
+    'httplib2==0.10.3',
     'oauth2client==4.0.0',
 ]
 
diff --git a/requirements_all.txt b/requirements_all.txt
index 3fc5a23512871c689ad1896bbdd6b086397174b7..482c4cbbd4942643a532a6f3e36a5dedfb06bb46 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -423,6 +423,7 @@ home-assistant-frontend==20180709.0
 # homeassistant.components.homematicip_cloud
 homematicip==0.9.6
 
+# homeassistant.components.google
 # homeassistant.components.remember_the_milk
 httplib2==0.10.3