diff --git a/homeassistant/components/device_tracker/netgear.py b/homeassistant/components/device_tracker/netgear.py
index c04a1d07b1f..346fbb37d37 100644
--- a/homeassistant/components/device_tracker/netgear.py
+++ b/homeassistant/components/device_tracker/netgear.py
@@ -42,7 +42,7 @@ from homeassistant.components.device_tracker import DOMAIN
 MIN_TIME_BETWEEN_SCANS = timedelta(seconds=5)
 
 _LOGGER = logging.getLogger(__name__)
-REQUIREMENTS = ['pynetgear>=0.3']
+REQUIREMENTS = ['pynetgear==0.3']
 
 
 def get_scanner(hass, config):
diff --git a/homeassistant/components/device_tracker/nmap_tracker.py b/homeassistant/components/device_tracker/nmap_tracker.py
index 00fc8fd12b4..dc12a53f539 100644
--- a/homeassistant/components/device_tracker/nmap_tracker.py
+++ b/homeassistant/components/device_tracker/nmap_tracker.py
@@ -43,7 +43,7 @@ _LOGGER = logging.getLogger(__name__)
 # interval in minutes to exclude devices from a scan while they are home
 CONF_HOME_INTERVAL = "home_interval"
 
-REQUIREMENTS = ['python-libnmap>=0.6.3']
+REQUIREMENTS = ['python-libnmap==0.6.1']
 
 
 def get_scanner(hass, config):
diff --git a/homeassistant/components/discovery.py b/homeassistant/components/discovery.py
index 4ad0299cc8f..c21249fbc60 100644
--- a/homeassistant/components/discovery.py
+++ b/homeassistant/components/discovery.py
@@ -19,7 +19,7 @@ from homeassistant.const import (
 
 DOMAIN = "discovery"
 DEPENDENCIES = []
-REQUIREMENTS = ['netdisco>=0.3']
+REQUIREMENTS = ['netdisco==0.3']
 
 SCAN_INTERVAL = 300  # seconds
 
diff --git a/homeassistant/components/isy994.py b/homeassistant/components/isy994.py
index f5998faeaf8..63c7b6c4af6 100644
--- a/homeassistant/components/isy994.py
+++ b/homeassistant/components/isy994.py
@@ -21,7 +21,7 @@ from homeassistant.const import (
 
 DOMAIN = "isy994"
 DEPENDENCIES = []
-REQUIREMENTS = ['PyISY>=1.0.5']
+REQUIREMENTS = ['PyISY==1.0.5']
 DISCOVER_LIGHTS = "isy994.lights"
 DISCOVER_SWITCHES = "isy994.switches"
 DISCOVER_SENSORS = "isy994.sensors"
diff --git a/homeassistant/components/keyboard.py b/homeassistant/components/keyboard.py
index 5359791087e..3629fce31bf 100644
--- a/homeassistant/components/keyboard.py
+++ b/homeassistant/components/keyboard.py
@@ -14,7 +14,7 @@ from homeassistant.const import (
 
 DOMAIN = "keyboard"
 DEPENDENCIES = []
-REQUIREMENTS = ['pyuserinput>=0.1.9']
+REQUIREMENTS = ['pyuserinput==0.1.9']
 
 
 def volume_up(hass):
diff --git a/homeassistant/components/light/hue.py b/homeassistant/components/light/hue.py
index c3b28ec1dd6..b438d7b92b1 100644
--- a/homeassistant/components/light/hue.py
+++ b/homeassistant/components/light/hue.py
@@ -16,7 +16,7 @@ from homeassistant.components.light import (
     ATTR_FLASH, FLASH_LONG, FLASH_SHORT, ATTR_EFFECT,
     EFFECT_COLORLOOP)
 
-REQUIREMENTS = ['phue>=0.8']
+REQUIREMENTS = ['phue==0.8']
 MIN_TIME_BETWEEN_SCANS = timedelta(seconds=10)
 MIN_TIME_BETWEEN_FORCED_SCANS = timedelta(milliseconds=100)
 
diff --git a/homeassistant/components/light/limitlessled.py b/homeassistant/components/light/limitlessled.py
index b3e0858ffe2..8fdb525d4e0 100644
--- a/homeassistant/components/light/limitlessled.py
+++ b/homeassistant/components/light/limitlessled.py
@@ -34,7 +34,7 @@ from homeassistant.components.light import (Light, ATTR_BRIGHTNESS,
 from homeassistant.util.color import color_RGB_to_xy
 
 _LOGGER = logging.getLogger(__name__)
-REQUIREMENTS = ['ledcontroller>=1.0.7']
+REQUIREMENTS = ['ledcontroller==1.0.7']
 
 
 def setup_platform(hass, config, add_devices_callback, discovery_info=None):
diff --git a/homeassistant/components/light/tellstick.py b/homeassistant/components/light/tellstick.py
index 9132604b294..8068d20bb74 100644
--- a/homeassistant/components/light/tellstick.py
+++ b/homeassistant/components/light/tellstick.py
@@ -9,7 +9,7 @@ from homeassistant.components.light import Light, ATTR_BRIGHTNESS
 from homeassistant.const import ATTR_FRIENDLY_NAME
 import tellcore.constants as tellcore_constants
 
-REQUIREMENTS = ['tellcore-py>=1.0.4']
+REQUIREMENTS = ['tellcore-py==1.0.4']
 
 
 def setup_platform(hass, config, add_devices_callback, discovery_info=None):
diff --git a/homeassistant/components/light/wink.py b/homeassistant/components/light/wink.py
index e8c8eb7a224..4b5af0c3250 100644
--- a/homeassistant/components/light/wink.py
+++ b/homeassistant/components/light/wink.py
@@ -9,8 +9,8 @@ from homeassistant.components.light import ATTR_BRIGHTNESS
 from homeassistant.components.wink import WinkToggleDevice
 from homeassistant.const import CONF_ACCESS_TOKEN
 
-REQUIREMENTS = ['https://github.com/balloob/python-wink/archive/master.zip'
-                '#pywink>=0.1']
+REQUIREMENTS = ['https://github.com/balloob/python-wink/archive/' +
+                'c2b700e8ca866159566ecf5e644d9c297f69f257.zip']
 
 
 def setup_platform(hass, config, add_devices_callback, discovery_info=None):
diff --git a/homeassistant/components/media_player/cast.py b/homeassistant/components/media_player/cast.py
index 5fca233013a..d19e4166c1c 100644
--- a/homeassistant/components/media_player/cast.py
+++ b/homeassistant/components/media_player/cast.py
@@ -19,7 +19,7 @@ from homeassistant.components.media_player import (
     SUPPORT_PREVIOUS_TRACK, SUPPORT_NEXT_TRACK,
     MEDIA_TYPE_MUSIC, MEDIA_TYPE_TVSHOW, MEDIA_TYPE_VIDEO)
 
-REQUIREMENTS = ['pychromecast>=0.6.10']
+REQUIREMENTS = ['pychromecast==0.6.10']
 CONF_IGNORE_CEC = 'ignore_cec'
 CAST_SPLASH = 'https://home-assistant.io/images/cast/splash.png'
 SUPPORT_CAST = SUPPORT_PAUSE | SUPPORT_VOLUME_SET | SUPPORT_VOLUME_MUTE | \
diff --git a/homeassistant/components/media_player/kodi.py b/homeassistant/components/media_player/kodi.py
index 4b24f8694ed..dfc2f64a2a8 100644
--- a/homeassistant/components/media_player/kodi.py
+++ b/homeassistant/components/media_player/kodi.py
@@ -48,7 +48,7 @@ except ImportError:
     jsonrpc_requests = None
 
 _LOGGER = logging.getLogger(__name__)
-REQUIREMENTS = ['jsonrpc-requests>=0.1']
+REQUIREMENTS = ['jsonrpc-requests==0.1']
 
 SUPPORT_KODI = SUPPORT_PAUSE | SUPPORT_VOLUME_SET | SUPPORT_VOLUME_MUTE | \
     SUPPORT_PREVIOUS_TRACK | SUPPORT_NEXT_TRACK | SUPPORT_SEEK
diff --git a/homeassistant/components/media_player/mpd.py b/homeassistant/components/media_player/mpd.py
index 0239173f7cc..aca2413d3e4 100644
--- a/homeassistant/components/media_player/mpd.py
+++ b/homeassistant/components/media_player/mpd.py
@@ -48,7 +48,7 @@ from homeassistant.components.media_player import (
     MEDIA_TYPE_MUSIC)
 
 _LOGGER = logging.getLogger(__name__)
-REQUIREMENTS = ['python-mpd2>=0.5.4']
+REQUIREMENTS = ['python-mpd2==0.5.4']
 
 SUPPORT_MPD = SUPPORT_PAUSE | SUPPORT_VOLUME_SET | SUPPORT_TURN_OFF | \
     SUPPORT_PREVIOUS_TRACK | SUPPORT_NEXT_TRACK
diff --git a/homeassistant/components/modbus.py b/homeassistant/components/modbus.py
index 0bd3b23c2f9..e6c3f1cfcee 100644
--- a/homeassistant/components/modbus.py
+++ b/homeassistant/components/modbus.py
@@ -38,8 +38,8 @@ from homeassistant.const import (EVENT_HOMEASSISTANT_START,
 DOMAIN = "modbus"
 
 DEPENDENCIES = []
-REQUIREMENTS = ['https://github.com/bashwork/pymodbus/archive/python3.zip'
-                '#pymodbus>=1.2.0']
+REQUIREMENTS = ['https://github.com/bashwork/pymodbus/archive/' +
+                'd7fc4f1cc975631e0a9011390e8017f64b612661.zip']
 
 # Type of network
 MEDIUM = "type"
diff --git a/homeassistant/components/mqtt.py b/homeassistant/components/mqtt.py
index aa1a3167029..073406e9700 100644
--- a/homeassistant/components/mqtt.py
+++ b/homeassistant/components/mqtt.py
@@ -66,7 +66,7 @@ SERVICE_PUBLISH = 'publish'
 EVENT_MQTT_MESSAGE_RECEIVED = 'MQTT_MESSAGE_RECEIVED'
 
 DEPENDENCIES = []
-REQUIREMENTS = ['paho-mqtt>=1.1']
+REQUIREMENTS = ['paho-mqtt==1.1']
 
 CONF_BROKER = 'broker'
 CONF_PORT = 'port'
diff --git a/homeassistant/components/notify/pushbullet.py b/homeassistant/components/notify/pushbullet.py
index 5e322cfc3b5..58462954d2e 100644
--- a/homeassistant/components/notify/pushbullet.py
+++ b/homeassistant/components/notify/pushbullet.py
@@ -28,7 +28,7 @@ from homeassistant.components.notify import (
 from homeassistant.const import CONF_API_KEY
 
 _LOGGER = logging.getLogger(__name__)
-REQUIREMENTS = ['pushbullet.py>=0.7.1']
+REQUIREMENTS = ['pushbullet.py==0.7.1']
 
 
 def get_service(hass, config):
diff --git a/homeassistant/components/notify/pushover.py b/homeassistant/components/notify/pushover.py
index 1bc5e9ac9a3..0df035a4a6e 100644
--- a/homeassistant/components/notify/pushover.py
+++ b/homeassistant/components/notify/pushover.py
@@ -42,7 +42,7 @@ from homeassistant.components.notify import (
     DOMAIN, ATTR_TITLE, BaseNotificationService)
 from homeassistant.const import CONF_API_KEY
 
-REQUIREMENTS = ['python-pushover>=0.2']
+REQUIREMENTS = ['python-pushover==0.2']
 _LOGGER = logging.getLogger(__name__)
 
 
diff --git a/homeassistant/components/notify/slack.py b/homeassistant/components/notify/slack.py
index 859b5b0388a..d604cffb754 100644
--- a/homeassistant/components/notify/slack.py
+++ b/homeassistant/components/notify/slack.py
@@ -32,7 +32,7 @@ from homeassistant.components.notify import (
     DOMAIN, BaseNotificationService)
 from homeassistant.const import CONF_API_KEY
 
-REQUIREMENTS = ['slacker>=0.6.8']
+REQUIREMENTS = ['slacker==0.6.8']
 _LOGGER = logging.getLogger(__name__)
 
 
diff --git a/homeassistant/components/notify/xmpp.py b/homeassistant/components/notify/xmpp.py
index e756be82014..81268c734b7 100644
--- a/homeassistant/components/notify/xmpp.py
+++ b/homeassistant/components/notify/xmpp.py
@@ -45,7 +45,7 @@ from homeassistant.helpers import validate_config
 from homeassistant.components.notify import (
     DOMAIN, ATTR_TITLE, BaseNotificationService)
 
-REQUIREMENTS = ['sleekxmpp>=1.3.1', 'dnspython3>=1.12.0']
+REQUIREMENTS = ['sleekxmpp==1.3.1', 'dnspython3==1.12.0']
 
 
 def get_service(hass, config):
diff --git a/homeassistant/components/sensor/bitcoin.py b/homeassistant/components/sensor/bitcoin.py
index e0ecbab6db5..b30886448ad 100644
--- a/homeassistant/components/sensor/bitcoin.py
+++ b/homeassistant/components/sensor/bitcoin.py
@@ -71,7 +71,7 @@ from homeassistant.util import Throttle
 from homeassistant.helpers.entity import Entity
 
 
-REQUIREMENTS = ['blockchain>=1.1.2']
+REQUIREMENTS = ['blockchain==1.1.2']
 _LOGGER = logging.getLogger(__name__)
 OPTION_TYPES = {
     'wallet': ['Wallet balance', 'BTC'],
diff --git a/homeassistant/components/sensor/dht.py b/homeassistant/components/sensor/dht.py
index c7df4b4a8d3..7949a7a44fa 100644
--- a/homeassistant/components/sensor/dht.py
+++ b/homeassistant/components/sensor/dht.py
@@ -44,7 +44,8 @@ from homeassistant.const import TEMP_FAHRENHEIT
 from homeassistant.helpers.entity import Entity
 
 # update this requirement to upstream as soon as it supports python3
-REQUIREMENTS = ['git+git://github.com/mala-zaba/Adafruit_Python_DHT']
+REQUIREMENTS = ['http://github.com/mala-zaba/Adafruit_Python_DHT/archive/' +
+                '4101340de8d2457dd194bca1e8d11cbfc237e919.zip']
 _LOGGER = logging.getLogger(__name__)
 SENSOR_TYPES = {
     'temperature': ['Temperature', ''],
diff --git a/homeassistant/components/sensor/forecast.py b/homeassistant/components/sensor/forecast.py
index a9783104cd8..b56432ab89b 100644
--- a/homeassistant/components/sensor/forecast.py
+++ b/homeassistant/components/sensor/forecast.py
@@ -49,7 +49,7 @@ Details for the API : https://developer.forecast.io/docs/v2
 import logging
 from datetime import timedelta
 
-REQUIREMENTS = ['python-forecastio>=1.3.3']
+REQUIREMENTS = ['python-forecastio==1.3.3']
 
 try:
     import forecastio
diff --git a/homeassistant/components/sensor/mysensors.py b/homeassistant/components/sensor/mysensors.py
index a626858db31..994b110a585 100644
--- a/homeassistant/components/sensor/mysensors.py
+++ b/homeassistant/components/sensor/mysensors.py
@@ -36,8 +36,8 @@ ATTR_NODE_ID = "node_id"
 ATTR_CHILD_ID = "child_id"
 
 _LOGGER = logging.getLogger(__name__)
-REQUIREMENTS = ['https://github.com/theolind/pymysensors/archive/master.zip'
-                '#egg=pymysensors-0.1']
+REQUIREMENTS = ['https://github.com/theolind/pymysensors/archive/' +
+                '35b87d880147a34107da0d40cb815d75e6cb4af7.zip']
 
 
 def setup_platform(hass, config, add_devices, discovery_info=None):
diff --git a/homeassistant/components/sensor/openweathermap.py b/homeassistant/components/sensor/openweathermap.py
index f4635cd13ca..537fc9f59b5 100644
--- a/homeassistant/components/sensor/openweathermap.py
+++ b/homeassistant/components/sensor/openweathermap.py
@@ -48,7 +48,7 @@ from homeassistant.util import Throttle
 from homeassistant.const import (CONF_API_KEY, TEMP_CELCIUS, TEMP_FAHRENHEIT)
 from homeassistant.helpers.entity import Entity
 
-REQUIREMENTS = ['pyowm>=2.2.1']
+REQUIREMENTS = ['pyowm==2.2.1']
 _LOGGER = logging.getLogger(__name__)
 SENSOR_TYPES = {
     'weather': ['Condition', ''],
diff --git a/homeassistant/components/sensor/rfxtrx.py b/homeassistant/components/sensor/rfxtrx.py
index ffc688804ef..8e5a1ad3dca 100644
--- a/homeassistant/components/sensor/rfxtrx.py
+++ b/homeassistant/components/sensor/rfxtrx.py
@@ -26,8 +26,8 @@ from collections import OrderedDict
 from homeassistant.const import (TEMP_CELCIUS)
 from homeassistant.helpers.entity import Entity
 
-REQUIREMENTS = ['https://github.com/Danielhiversen/pyRFXtrx/archive/master.zip'
-                '#RFXtrx>=0.15']
+REQUIREMENTS = ['https://github.com/Danielhiversen/pyRFXtrx/archive/' +
+                'ec7a1aaddf8270db6e5da1c13d58c1547effd7cf.zip']
 
 DATA_TYPES = OrderedDict([
     ('Temperature', TEMP_CELCIUS),
diff --git a/homeassistant/components/sensor/rpi_gpio.py b/homeassistant/components/sensor/rpi_gpio.py
index c57cf31b397..f973b24a301 100644
--- a/homeassistant/components/sensor/rpi_gpio.py
+++ b/homeassistant/components/sensor/rpi_gpio.py
@@ -53,7 +53,7 @@ DEFAULT_VALUE_HIGH = "HIGH"
 DEFAULT_VALUE_LOW = "LOW"
 DEFAULT_BOUNCETIME = 50
 
-REQUIREMENTS = ['RPi.GPIO>=0.5.11']
+REQUIREMENTS = ['RPi.GPIO==0.5.11']
 _LOGGER = logging.getLogger(__name__)
 
 
diff --git a/homeassistant/components/sensor/systemmonitor.py b/homeassistant/components/sensor/systemmonitor.py
index 1d1bdb1f3b5..b473cc27283 100644
--- a/homeassistant/components/sensor/systemmonitor.py
+++ b/homeassistant/components/sensor/systemmonitor.py
@@ -66,7 +66,7 @@ import homeassistant.util.dt as dt_util
 from homeassistant.helpers.entity import Entity
 from homeassistant.const import STATE_ON, STATE_OFF
 
-REQUIREMENTS = ['psutil>=3.0.0']
+REQUIREMENTS = ['psutil==3.0.0']
 SENSOR_TYPES = {
     'disk_use_percent': ['Disk Use', '%'],
     'disk_use': ['Disk Use', 'GiB'],
diff --git a/homeassistant/components/sensor/tellstick.py b/homeassistant/components/sensor/tellstick.py
index 7d024333023..e93c6e4c97f 100644
--- a/homeassistant/components/sensor/tellstick.py
+++ b/homeassistant/components/sensor/tellstick.py
@@ -35,7 +35,7 @@ import homeassistant.util as util
 
 DatatypeDescription = namedtuple("DatatypeDescription", ['name', 'unit'])
 
-REQUIREMENTS = ['tellcore-py>=1.0.4']
+REQUIREMENTS = ['tellcore-py==1.0.4']
 
 
 # pylint: disable=unused-argument
diff --git a/homeassistant/components/sensor/temper.py b/homeassistant/components/sensor/temper.py
index e443e81b93f..8579a922661 100644
--- a/homeassistant/components/sensor/temper.py
+++ b/homeassistant/components/sensor/temper.py
@@ -18,7 +18,8 @@ from homeassistant.const import CONF_NAME, DEVICE_DEFAULT_NAME
 
 _LOGGER = logging.getLogger(__name__)
 
-REQUIREMENTS = ['https://github.com/rkabadi/temper-python/archive/master.zip']
+REQUIREMENTS = ['https://github.com/rkabadi/temper-python/archive/' +
+                '3dbdaf2d87b8db9a3cd6e5585fc704537dd2d09b.zip']
 
 
 # pylint: disable=unused-argument
diff --git a/homeassistant/components/sensor/transmission.py b/homeassistant/components/sensor/transmission.py
index b9ed3ea4e9f..587f5131d9d 100644
--- a/homeassistant/components/sensor/transmission.py
+++ b/homeassistant/components/sensor/transmission.py
@@ -67,7 +67,7 @@ from transmissionrpc.error import TransmissionError
 
 import logging
 
-REQUIREMENTS = ['transmissionrpc>=0.11']
+REQUIREMENTS = ['transmissionrpc==0.11']
 SENSOR_TYPES = {
     'current_status': ['Status', ''],
     'download_speed': ['Down Speed', 'MB/s'],
diff --git a/homeassistant/components/sensor/wink.py b/homeassistant/components/sensor/wink.py
index 4056bbd7733..0b3d33cea24 100644
--- a/homeassistant/components/sensor/wink.py
+++ b/homeassistant/components/sensor/wink.py
@@ -8,8 +8,8 @@ import logging
 from homeassistant.helpers.entity import Entity
 from homeassistant.const import CONF_ACCESS_TOKEN, STATE_OPEN, STATE_CLOSED
 
-REQUIREMENTS = ['https://github.com/balloob/python-wink/archive/master.zip'
-                '#pywink>=0.1']
+REQUIREMENTS = ['https://github.com/balloob/python-wink/archive/' +
+                'c2b700e8ca866159566ecf5e644d9c297f69f257.zip']
 
 
 def setup_platform(hass, config, add_devices, discovery_info=None):
diff --git a/homeassistant/components/sun.py b/homeassistant/components/sun.py
index 507c4a2b63b..802eddb4a3a 100644
--- a/homeassistant/components/sun.py
+++ b/homeassistant/components/sun.py
@@ -31,7 +31,7 @@ from homeassistant.helpers.entity import Entity
 from homeassistant.components.scheduler import ServiceEventListener
 
 DEPENDENCIES = []
-REQUIREMENTS = ['astral>=0.8.1']
+REQUIREMENTS = ['astral==0.8.1']
 DOMAIN = "sun"
 ENTITY_ID = "sun.sun"
 
diff --git a/homeassistant/components/switch/edimax.py b/homeassistant/components/switch/edimax.py
index 17fe6d61735..200c5746e27 100644
--- a/homeassistant/components/switch/edimax.py
+++ b/homeassistant/components/switch/edimax.py
@@ -44,7 +44,8 @@ from homeassistant.const import CONF_HOST, CONF_USERNAME, CONF_PASSWORD,\
 DEFAULT_USERNAME = 'admin'
 DEFAULT_PASSWORD = '1234'
 DEVICE_DEFAULT_NAME = 'Edimax Smart Plug'
-REQUIREMENTS = ['https://github.com/rkabadi/pyedimax/archive/master.zip']
+REQUIREMENTS = ['https://github.com/rkabadi/pyedimax/archive/' +
+                '365301ce3ff26129a7910c501ead09ea625f3700.zip']
 
 # setup logger
 _LOGGER = logging.getLogger(__name__)
diff --git a/homeassistant/components/switch/hikvisioncam.py b/homeassistant/components/switch/hikvisioncam.py
index 5ab084319fc..6ab82df482a 100644
--- a/homeassistant/components/switch/hikvisioncam.py
+++ b/homeassistant/components/switch/hikvisioncam.py
@@ -49,7 +49,7 @@ except ImportError:
     hikvision.api = None
 
 _LOGGING = logging.getLogger(__name__)
-REQUIREMENTS = ['hikvision>=0.4']
+REQUIREMENTS = ['hikvision==0.4']
 # pylint: disable=too-many-arguments
 # pylint: disable=too-many-instance-attributes
 
diff --git a/homeassistant/components/switch/rpi_gpio.py b/homeassistant/components/switch/rpi_gpio.py
index bb9cf13e3ed..4afa38aa80a 100644
--- a/homeassistant/components/switch/rpi_gpio.py
+++ b/homeassistant/components/switch/rpi_gpio.py
@@ -36,7 +36,7 @@ from homeassistant.const import (DEVICE_DEFAULT_NAME,
 
 DEFAULT_INVERT_LOGIC = False
 
-REQUIREMENTS = ['RPi.GPIO>=0.5.11']
+REQUIREMENTS = ['RPi.GPIO==0.5.11']
 _LOGGER = logging.getLogger(__name__)
 
 
diff --git a/homeassistant/components/switch/tellstick.py b/homeassistant/components/switch/tellstick.py
index 4fde4babf9e..230151382e7 100644
--- a/homeassistant/components/switch/tellstick.py
+++ b/homeassistant/components/switch/tellstick.py
@@ -19,7 +19,7 @@ import tellcore.constants as tellcore_constants
 
 SINGAL_REPETITIONS = 1
 
-REQUIREMENTS = ['tellcore-py>=1.0.4']
+REQUIREMENTS = ['tellcore-py==1.0.4']
 
 
 # pylint: disable=unused-argument
diff --git a/homeassistant/components/switch/transmission.py b/homeassistant/components/switch/transmission.py
index 7575951f53b..d5cf716c770 100644
--- a/homeassistant/components/switch/transmission.py
+++ b/homeassistant/components/switch/transmission.py
@@ -48,7 +48,7 @@ from transmissionrpc.error import TransmissionError
 import logging
 
 _LOGGING = logging.getLogger(__name__)
-REQUIREMENTS = ['transmissionrpc>=0.11']
+REQUIREMENTS = ['transmissionrpc==0.11']
 
 
 # pylint: disable=unused-argument
diff --git a/homeassistant/components/switch/wemo.py b/homeassistant/components/switch/wemo.py
index d133191e6db..2d6e25b296b 100644
--- a/homeassistant/components/switch/wemo.py
+++ b/homeassistant/components/switch/wemo.py
@@ -8,7 +8,7 @@ import logging
 
 from homeassistant.components.switch import SwitchDevice
 
-REQUIREMENTS = ['pywemo>=0.2']
+REQUIREMENTS = ['pywemo==0.2']
 
 
 # pylint: disable=unused-argument
diff --git a/homeassistant/components/switch/wink.py b/homeassistant/components/switch/wink.py
index 556a40b181f..c9fb045d9c0 100644
--- a/homeassistant/components/switch/wink.py
+++ b/homeassistant/components/switch/wink.py
@@ -9,8 +9,8 @@ import logging
 from homeassistant.components.wink import WinkToggleDevice
 from homeassistant.const import CONF_ACCESS_TOKEN
 
-REQUIREMENTS = ['https://github.com/balloob/python-wink/archive/master.zip'
-                '#pywink>=0.1']
+REQUIREMENTS = ['https://github.com/balloob/python-wink/archive/' +
+                'c2b700e8ca866159566ecf5e644d9c297f69f257.zip']
 
 
 def setup_platform(hass, config, add_devices, discovery_info=None):
diff --git a/homeassistant/components/thermostat/nest.py b/homeassistant/components/thermostat/nest.py
index cb74fa091ff..1de729b590d 100644
--- a/homeassistant/components/thermostat/nest.py
+++ b/homeassistant/components/thermostat/nest.py
@@ -6,7 +6,7 @@ import logging
 from homeassistant.components.thermostat import ThermostatDevice
 from homeassistant.const import (CONF_USERNAME, CONF_PASSWORD, TEMP_CELCIUS)
 
-REQUIREMENTS = ['python-nest>=2.4.0']
+REQUIREMENTS = ['python-nest==2.4.0']
 
 
 # pylint: disable=unused-argument
diff --git a/homeassistant/components/verisure.py b/homeassistant/components/verisure.py
index f084ce9874c..d716c8c46ad 100644
--- a/homeassistant/components/verisure.py
+++ b/homeassistant/components/verisure.py
@@ -61,7 +61,8 @@ DISCOVER_SWITCHES = 'verisure.switches'
 
 DEPENDENCIES = []
 REQUIREMENTS = [
-    'https://github.com/persandstrom/python-verisure/archive/master.zip'
+    'https://github.com/persandstrom/python-verisure/archive/' +
+    '9873c4527f01b1ba1f72ae60f7f35854390d59be.zip'
     ]
 
 _LOGGER = logging.getLogger(__name__)
diff --git a/homeassistant/components/wink.py b/homeassistant/components/wink.py
index d56a244b84c..eb2beac508a 100644
--- a/homeassistant/components/wink.py
+++ b/homeassistant/components/wink.py
@@ -16,8 +16,8 @@ from homeassistant.const import (
 
 DOMAIN = "wink"
 DEPENDENCIES = []
-REQUIREMENTS = ['https://github.com/balloob/python-wink/archive/master.zip'
-                '#pywink>=0.1']
+REQUIREMENTS = ['https://github.com/balloob/python-wink/archive/' +
+                'c2b700e8ca866159566ecf5e644d9c297f69f257.zip']
 
 DISCOVER_LIGHTS = "wink.lights"
 DISCOVER_SWITCHES = "wink.switches"
diff --git a/homeassistant/components/zwave.py b/homeassistant/components/zwave.py
index ce189a242b4..ef7e7308959 100644
--- a/homeassistant/components/zwave.py
+++ b/homeassistant/components/zwave.py
@@ -12,7 +12,7 @@ from homeassistant.const import (
 
 DOMAIN = "zwave"
 DEPENDENCIES = []
-REQUIREMENTS = ['pydispatcher>=2.0.5']
+REQUIREMENTS = ['pydispatcher==2.0.5']
 
 CONF_USB_STICK_PATH = "usb_path"
 DEFAULT_CONF_USB_STICK_PATH = "/zwaveusbstick"