diff --git a/.github/workflows/pythonbuild.yml b/.github/workflows/pythonbuild.yml
index 26d2980cc3..2f8e12f63b 100644
--- a/.github/workflows/pythonbuild.yml
+++ b/.github/workflows/pythonbuild.yml
@@ -25,6 +25,8 @@ jobs:
             tox-env: py310-core
           - python-version: "3.11"
             tox-env: py311-core
+          - python-version: "3.12"
+            tox-env: py312-core
 
     steps:
       - uses: actions/checkout@v2
@@ -92,6 +94,8 @@ jobs:
             tox-env: py310-postgres
           - python-version: "3.11"
             tox-env: py311-postgres
+          - python-version: "3.12"
+            tox-env: py312-postgres
 
     steps:
       - uses: actions/checkout@v2
@@ -145,6 +149,8 @@ jobs:
             tox-env: py310-aws
           - python-version: "3.11"
             tox-env: py311-aws
+          - python-version: "3.12"
+            tox-env: py312-aws
 
           - python-version: "3.6"
             tox-env: py36-unixsocket
@@ -164,6 +170,9 @@ jobs:
           - python-version: "3.11"
             tox-env: py311-unixsocket
             OVERRIDE_SKIP_CI_TESTS: True
+          - python-version: "3.12"
+            tox-env: py312-unixsocket
+            OVERRIDE_SKIP_CI_TESTS: True
 
           - python-version: "3.6"
             tox-env: py36-apache
@@ -177,6 +186,8 @@ jobs:
             tox-env: py310-apache
           - python-version: "3.11"
             tox-env: py311-apache
+          - python-version: "3.12"
+            tox-env: py312-apache
 
           - python-version: "3.6"
             tox-env: py36-azureblob
@@ -190,6 +201,8 @@ jobs:
             tox-env: py310-azureblob
           - python-version: "3.11"
             tox-env: py311-azureblob
+          - python-version: "3.12"
+            tox-env: py312-azureblob
 
 
           - python-version: 3.9
diff --git a/README.rst b/README.rst
index edce07fade..dde00827e0 100644
--- a/README.rst
+++ b/README.rst
@@ -18,7 +18,7 @@
     :target: https://luigi.readthedocs.io/en/stable/?badge=stable
     :alt: Documentation Status
 
-Luigi is a Python (3.6, 3.7, 3.8, 3.9, 3.10, 3.11 tested) package that helps you build complex
+Luigi is a Python (3.6, 3.7, 3.8, 3.9, 3.10, 3.11, 3.12 tested) package that helps you build complex
 pipelines of batch jobs. It handles dependency resolution, workflow management,
 visualization, handling failures, command line integration, and much more.
 
diff --git a/setup.py b/setup.py
index c56e54811e..e88e8f3804 100644
--- a/setup.py
+++ b/setup.py
@@ -118,6 +118,7 @@ def get_static_files(path):
         'Programming Language :: Python :: 3.9',
         'Programming Language :: Python :: 3.10',
         'Programming Language :: Python :: 3.11',
+        'Programming Language :: Python :: 3.12',
         'Topic :: System :: Monitoring',
     ],
 )
diff --git a/test/cmdline_test.py b/test/cmdline_test.py
index 7db317ded2..f8d2b4ced8 100644
--- a/test/cmdline_test.py
+++ b/test/cmdline_test.py
@@ -362,7 +362,7 @@ def test_cmd_line_params_are_available_for_execution_summary(self):
         print(stdout)
         print(stderr)
 
-        self.assertNotEquals(returncode, 1)
+        self.assertNotEqual(returncode, 1)
         self.assertFalse(b'required_test_param' in stderr)
 
 
diff --git a/test/contrib/external_daily_snapshot_test.py b/test/contrib/external_daily_snapshot_test.py
index ff273dd751..53c9d8a0b5 100644
--- a/test/contrib/external_daily_snapshot_test.py
+++ b/test/contrib/external_daily_snapshot_test.py
@@ -32,18 +32,18 @@ class ExternalDailySnapshotTest(unittest.TestCase):
     def test_latest(self):
         MockTarget('data-xyz-zebra-Congo-2012-01-01').open('w').close()
         d = DataDump.latest(date=datetime.date(2012, 1, 10), param='xyz')
-        self.assertEquals(d.date, datetime.date(2012, 1, 1))
+        self.assertEqual(d.date, datetime.date(2012, 1, 1))
 
     def test_latest_not_exists(self):
         MockTarget('data-abc-zebra-Congo-2012-01-01').open('w').close()
         d = DataDump.latest(date=datetime.date(2012, 1, 11), param='abc', lookback=5)
-        self.assertEquals(d.date, datetime.date(2012, 1, 7))
+        self.assertEqual(d.date, datetime.date(2012, 1, 7))
 
     def test_deterministic(self):
         MockTarget('data-pqr-zebra-Congo-2012-01-01').open('w').close()
         d = DataDump.latest(date=datetime.date(2012, 1, 10), param='pqr', a='zebra', aa='Congo')
-        self.assertEquals(d.date, datetime.date(2012, 1, 1))
+        self.assertEqual(d.date, datetime.date(2012, 1, 1))
 
         MockTarget('data-pqr-zebra-Congo-2012-01-05').open('w').close()
         d = DataDump.latest(date=datetime.date(2012, 1, 10), param='pqr', aa='Congo', a='zebra')
-        self.assertEquals(d.date, datetime.date(2012, 1, 1))  # Should still be the same
+        self.assertEqual(d.date, datetime.date(2012, 1, 1))  # Should still be the same
diff --git a/test/contrib/hadoop_test.py b/test/contrib/hadoop_test.py
index b3db99a0bc..8e1c2fe64d 100644
--- a/test/contrib/hadoop_test.py
+++ b/test/contrib/hadoop_test.py
@@ -200,7 +200,7 @@ def test_run_2(test_case):
         job = WordFreqJob(use_hdfs=test_case.use_hdfs)
         luigi.build([job], local_scheduler=True)
         c = read_wordcount_output(job.output())
-        test_case.assertAlmostEquals(float(c['jk']), 6.0 / 33.0)
+        test_case.assertAlmostEqual(float(c['jk']), 6.0 / 33.0)
 
     @staticmethod
     def test_map_only(test_case):
diff --git a/test/contrib/postgres_test.py b/test/contrib/postgres_test.py
index f08a330f84..bf9c0b89ac 100644
--- a/test/contrib/postgres_test.py
+++ b/test/contrib/postgres_test.py
@@ -132,11 +132,11 @@ def test_bulk_complete(self, mock_connect):
 
     def test_override_port(self):
         output = DummyPostgresQueryWithPort(date=datetime.datetime(1991, 3, 24)).output()
-        self.assertEquals(output.port, 1234)
+        self.assertEqual(output.port, 1234)
 
     def test_port_encoded_in_host(self):
         output = DummyPostgresQueryWithPortEncodedInHost(date=datetime.datetime(1991, 3, 24)).output()
-        self.assertEquals(output.port, '1234')
+        self.assertEqual(output.port, '1234')
 
 
 @pytest.mark.postgres
diff --git a/test/contrib/s3_test.py b/test/contrib/s3_test.py
index 845806606b..c24e69899a 100644
--- a/test/contrib/s3_test.py
+++ b/test/contrib/s3_test.py
@@ -20,7 +20,8 @@
 import tempfile
 
 import boto3
-from boto.s3 import key
+if sys.version_info[:2] <= (3, 11):
+    from boto.s3 import key
 from botocore.exceptions import ClientError
 from mock import patch
 
@@ -107,6 +108,7 @@ def test_read_no_file_sse(self):
         t = self.create_target(encrypt_key=True)
         self.assertRaises(FileNotFoundException, t.open)
 
+    @unittest.skipIf(tuple(sys.version_info) >= (3, 12), "boto is not supported on Python 3.12+")
     def test_read_iterator_long(self):
         # write a file that is 5X the boto buffersize
         # to test line buffering
@@ -342,7 +344,7 @@ def test_get(self):
         s3_client.get('s3://mybucket/putMe', tmp_file_path)
         with open(tmp_file_path, 'r') as f:
             content = f.read()
-        self.assertEquals(content, self.tempFileContents.decode("utf-8"))
+        self.assertEqual(content, self.tempFileContents.decode("utf-8"))
         tmp_file.close()
 
     def test_get_as_bytes(self):
@@ -352,7 +354,7 @@ def test_get_as_bytes(self):
 
         contents = s3_client.get_as_bytes('s3://mybucket/putMe')
 
-        self.assertEquals(contents, self.tempFileContents)
+        self.assertEqual(contents, self.tempFileContents)
 
     def test_get_as_string(self):
         create_bucket()
@@ -361,7 +363,7 @@ def test_get_as_string(self):
 
         contents = s3_client.get_as_string('s3://mybucket/putMe2')
 
-        self.assertEquals(contents, self.tempFileContents.decode('utf-8'))
+        self.assertEqual(contents, self.tempFileContents.decode('utf-8'))
 
     def test_get_as_string_latin1(self):
         create_bucket()
@@ -370,7 +372,7 @@ def test_get_as_string_latin1(self):
 
         contents = s3_client.get_as_string('s3://mybucket/putMe3', encoding='ISO-8859-1')
 
-        self.assertEquals(contents, self.tempFileContents.decode('ISO-8859-1'))
+        self.assertEqual(contents, self.tempFileContents.decode('ISO-8859-1'))
 
     def test_get_key(self):
         create_bucket()
diff --git a/test/interface_test.py b/test/interface_test.py
index 8418683a34..502a408640 100644
--- a/test/interface_test.py
+++ b/test/interface_test.py
@@ -204,9 +204,9 @@ class CoreConfigTest(LuigiTestCase):
 
     @with_config({})
     def test_parallel_scheduling_processes_default(self):
-        self.assertEquals(0, core().parallel_scheduling_processes)
+        self.assertEqual(0, core().parallel_scheduling_processes)
 
     @with_config({'core': {'parallel-scheduling-processes': '1234'}})
     def test_parallel_scheduling_processes(self):
         from luigi.interface import core
-        self.assertEquals(1234, core().parallel_scheduling_processes)
+        self.assertEqual(1234, core().parallel_scheduling_processes)
diff --git a/test/task_test.py b/test/task_test.py
index e2da34796c..926106ea54 100644
--- a/test/task_test.py
+++ b/test/task_test.py
@@ -577,4 +577,4 @@ def __init_subclass__(cls, x, **kwargs):
 
         class Receiver(ReceivesClassKwargs, x=1):
             pass
-        self.assertEquals(Receiver.x, 1)
+        self.assertEqual(Receiver.x, 1)
diff --git a/tox.ini b/tox.ini
index 12a23a93e2..45804e7cb1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py{35,36,37,38,39,310,311}-{cdh,hdp,core,contrib,apache,aws,gcloud,postgres,unixsocket,azureblob,dropbox}, visualiser, docs, flake8
+envlist = py{35,36,37,38,39,310,311,312}-{cdh,hdp,core,contrib,apache,aws,gcloud,postgres,unixsocket,azureblob,dropbox}, visualiser, docs, flake8
 skipsdist = True
 
 [pytest]