diff --git a/joboffers/management/commands/test_mastodon.py b/joboffers/management/commands/test_mastodon.py
new file mode 100644
index 0000000..f7da012
--- /dev/null
+++ b/joboffers/management/commands/test_mastodon.py
@@ -0,0 +1,10 @@
+from joboffers.management.commands import TestPublishCommand
+from joboffers.publishers.mastodon import MastodonPublisher
+
+
+class Command(TestPublishCommand):
+    help = 'Test sending a post to Mastodon.'
+
+    def handle(self, *args, **options):
+        """Post a message to Mastodon."""
+        self._handle_publish(options, MastodonPublisher)
diff --git a/joboffers/tests/test_joboffer_publisher.py b/joboffers/tests/test_joboffer_publisher.py
index d249223..cde0b68 100644
--- a/joboffers/tests/test_joboffer_publisher.py
+++ b/joboffers/tests/test_joboffer_publisher.py
@@ -10,6 +10,7 @@
 from ..publishers.facebook import FacebookPublisher
 from ..publishers.telegram import TelegramPublisher
 from ..publishers.twitter import TwitterPublisher
+from ..publishers.mastodon import MastodonPublisher
 from ..models import OfferState
 from .factories import JobOfferFactory
 
@@ -78,21 +79,24 @@ def test_publisher_publish_error():
 @pytest.mark.django_db
 @patch('joboffers.publishers.publish_offer')
 def test_publisher_to_all_social_networks_works_ok(publish_offer_function, settings):
-    """
-    Test that publish_to_all_social_networks() uses all the condifured publishers
-    """
+    """Test that publish_to_all_social_networks() uses all the configured publishers."""
     joboffer = JobOfferFactory.create(state=OfferState.ACTIVE)
     settings.SOCIAL_NETWORKS_PUBLISHERS = [
-      'joboffers.publishers.discourse.DiscoursePublisher',
-      'joboffers.publishers.facebook.FacebookPublisher',
-      'joboffers.publishers.telegram.TelegramPublisher',
-      'joboffers.publishers.twitter.TwitterPublisher'
+        'joboffers.publishers.discourse.DiscoursePublisher',
+        'joboffers.publishers.facebook.FacebookPublisher',
+        'joboffers.publishers.telegram.TelegramPublisher',
+        'joboffers.publishers.twitter.TwitterPublisher',
+        'joboffers.publishers.mastodon.MastodonPublisher',
     ]
 
     publish_to_all_social_networks(joboffer)
 
     expected_publishers = [
-      DiscoursePublisher, FacebookPublisher, TelegramPublisher, TwitterPublisher
+        DiscoursePublisher,
+        FacebookPublisher,
+        TelegramPublisher,
+        TwitterPublisher,
+        MastodonPublisher,
     ]
 
     assert publish_offer_function.called
diff --git a/pyarweb/settings/base.py b/pyarweb/settings/base.py
index 88998cd..20d1383 100644
--- a/pyarweb/settings/base.py
+++ b/pyarweb/settings/base.py
@@ -278,6 +278,10 @@
 TWITTER_CONSUMER_KEY = os.environ.get('TWITTER_CONSUMER_KEY')
 TWITTER_CONSUMER_SECRET = os.environ.get('TWITTER_CONSUMER_SECRET')
 
+# Mastodon constants
+MASTODON_AUTH_TOKEN = os.environ.get('MASTODON_AUTH_TOKEN')
+MASTODON_API_BASE_URL = os.environ.get('MASTODON_API_BASE_URL')
+
 # Discourse constants
 DISCOURSE_HOST = os.environ.get('DISCOURSE_HOST')
 DISCOURSE_API_KEY = os.environ.get('DISCOURSE_API_KEY')
@@ -285,8 +289,9 @@
 DISCOURSE_CATEGORY = os.environ.get('DISCOURSE_CATEGORY')
 
 SOCIAL_NETWORKS_PUBLISHERS = [
-  'joboffers.publishers.discourse.DiscoursePublisher',
-  'joboffers.publishers.facebook.FacebookPublisher',
-  'joboffers.publishers.telegram.TelegramPublisher',
-  'joboffers.publishers.twitter.TwitterPublisher'
+    'joboffers.publishers.discourse.DiscoursePublisher',
+    'joboffers.publishers.facebook.FacebookPublisher',
+    'joboffers.publishers.telegram.TelegramPublisher',
+    'joboffers.publishers.twitter.TwitterPublisher',
+    'joboffers.publishers.mastodon.MastodonPublisher',
 ]
diff --git a/requirements.txt b/requirements.txt
index 6c5c9fc..b01f141 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,6 +19,7 @@ django-tagging==0.5.0
 django-taggit==1.5.1
 django-taggit-autosuggest==0.3.8
 lxml==4.9.1
+Mastodon.py==1.8.1
 plotly==5.7.0
 psycopg2-binary==2.9.1
 tweepy==4.5.0