diff --git a/queue_job/delay.py b/queue_job/delay.py
index e46e95aed..726e85049 100644
--- a/queue_job/delay.py
+++ b/queue_job/delay.py
@@ -609,7 +609,7 @@ def _execute_direct(self):
         self._generated_job.perform()
 
 
-class DelayableRecordset(object):
+class DelayableRecordset:
     """Allow to delay a method for a recordset (shortcut way)
 
     Usage::
diff --git a/queue_job/job.py b/queue_job/job.py
index 465193963..288b3e042 100644
--- a/queue_job/job.py
+++ b/queue_job/job.py
@@ -105,7 +105,7 @@ def identity_exact_hasher(job_):
 
 
 @total_ordering
-class Job(object):
+class Job:
     """A Job is a task to execute. It is the in-memory representation of a job.
 
     Jobs are stored in the ``queue.job`` Odoo Model, but they are handled
diff --git a/queue_job/jobrunner/channels.py b/queue_job/jobrunner/channels.py
index 6812aa496..468fb5760 100644
--- a/queue_job/jobrunner/channels.py
+++ b/queue_job/jobrunner/channels.py
@@ -14,7 +14,7 @@
 _logger = logging.getLogger(__name__)
 
 
-class PriorityQueue(object):
+class PriorityQueue:
     """A priority queue that supports removing arbitrary objects.
 
     Adding an object already in the queue is a no op.
@@ -103,7 +103,7 @@ def pop(self):
 
 
 @total_ordering
-class ChannelJob(object):
+class ChannelJob:
     """A channel job is attached to a channel and holds the properties of a
     job that are necessary to prioritise them.
 
@@ -205,7 +205,7 @@ def __lt__(self, other):
         return self.sorting_key() < other.sorting_key()
 
 
-class ChannelQueue(object):
+class ChannelQueue:
     """A channel queue is a priority queue for jobs.
 
     Jobs with an eta are set aside until their eta is past due, at
@@ -334,7 +334,7 @@ def get_wakeup_time(self, wakeup_time=0):
         return wakeup_time
 
 
-class Channel(object):
+class Channel:
     """A channel for jobs, with a maximum capacity.
 
     When jobs are created by queue_job modules, they may be associated
@@ -581,7 +581,7 @@ def split_strip(s, sep, maxsplit=-1):
     return [x.strip() for x in s.split(sep, maxsplit)]
 
 
-class ChannelManager(object):
+class ChannelManager:
     """High level interface for channels
 
     This class handles:
diff --git a/queue_job/jobrunner/runner.py b/queue_job/jobrunner/runner.py
index 25823a997..025c228c6 100644
--- a/queue_job/jobrunner/runner.py
+++ b/queue_job/jobrunner/runner.py
@@ -259,7 +259,7 @@ def urlopen():
     thread.start()
 
 
-class Database(object):
+class Database:
     def __init__(self, db_name):
         self.db_name = db_name
         connection_info = _connection_info_for(db_name)
@@ -344,7 +344,7 @@ def set_job_enqueued(self, uuid):
             )
 
 
-class QueueJobRunner(object):
+class QueueJobRunner:
     def __init__(
         self,
         scheme="http",
diff --git a/test_queue_job/tests/test_job.py b/test_queue_job/tests/test_job.py
index 48687450f..4ff3c9233 100644
--- a/test_queue_job/tests/test_job.py
+++ b/test_queue_job/tests/test_job.py
@@ -89,7 +89,7 @@ def test_infinite_retryable_error(self):
         self.assertEqual(test_job.retry, 1)
 
     def test_on_instance_method(self):
-        class A(object):
+        class A:
             def method(self):
                 pass