diff --git a/homeassistant/components/mastodon/manifest.json b/homeassistant/components/mastodon/manifest.json
index e041ba2f669a5184994eb66a216aca1443c00512..cacdf9dd502c96993894805771580b9867995e71 100644
--- a/homeassistant/components/mastodon/manifest.json
+++ b/homeassistant/components/mastodon/manifest.json
@@ -3,7 +3,7 @@
   "name": "Mastodon",
   "documentation": "https://www.home-assistant.io/integrations/mastodon",
   "requirements": [
-    "Mastodon.py==1.4.6"
+    "Mastodon.py==1.5.0"
   ],
   "dependencies": [],
   "codeowners": [
diff --git a/homeassistant/components/mastodon/notify.py b/homeassistant/components/mastodon/notify.py
index e7f7de5917f17b01f28674b09b1b3cace97af429..88716de5773c14769c56d8d96cc77f81347b4ea2 100644
--- a/homeassistant/components/mastodon/notify.py
+++ b/homeassistant/components/mastodon/notify.py
@@ -1,13 +1,14 @@
 """Mastodon platform for notify component."""
 import logging
 
+from mastodon import Mastodon
+from mastodon.Mastodon import MastodonAPIError, MastodonUnauthorizedError
 import voluptuous as vol
 
+from homeassistant.components.notify import PLATFORM_SCHEMA, BaseNotificationService
 from homeassistant.const import CONF_ACCESS_TOKEN
 import homeassistant.helpers.config_validation as cv
 
-from homeassistant.components.notify import PLATFORM_SCHEMA, BaseNotificationService
-
 _LOGGER = logging.getLogger(__name__)
 
 CONF_BASE_URL = "base_url"
@@ -28,9 +29,6 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 
 def get_service(hass, config, discovery_info=None):
     """Get the Mastodon notification service."""
-    from mastodon import Mastodon
-    from mastodon.Mastodon import MastodonUnauthorizedError
-
     client_id = config.get(CONF_CLIENT_ID)
     client_secret = config.get(CONF_CLIENT_SECRET)
     access_token = config.get(CONF_ACCESS_TOKEN)
@@ -60,8 +58,6 @@ class MastodonNotificationService(BaseNotificationService):
 
     def send_message(self, message="", **kwargs):
         """Send a message to a user."""
-        from mastodon.Mastodon import MastodonAPIError
-
         try:
             self._api.toot(message)
         except MastodonAPIError:
diff --git a/requirements_all.txt b/requirements_all.txt
index 9a9540c87473d2fd05ee0652d3f98741d83f9442..bf36c898b1ed2cfcceeacb2042f6b9175f167af7 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -38,7 +38,7 @@ Adafruit-SHT31==1.0.2
 HAP-python==2.6.0
 
 # homeassistant.components.mastodon
-Mastodon.py==1.4.6
+Mastodon.py==1.5.0
 
 # homeassistant.components.orangepi_gpio
 OPi.GPIO==0.3.6