diff --git a/app/mail_sender.py b/app/mail_sender.py
index 28849271..8a59e787 100644
--- a/app/mail_sender.py
+++ b/app/mail_sender.py
@@ -187,7 +187,7 @@ class MailSender:
             TimeoutError,
         ) as e:
             if retries > 0:
-                LOG.warn(
+                LOG.warning(
                     f"Retrying sending email due to error {e}. {retries} retries left. Will wait {0.3*retries} seconds."
                 )
                 time.sleep(0.3 * retries)
diff --git a/cron.py b/cron.py
index 8162d9d1..b74da0dc 100644
--- a/cron.py
+++ b/cron.py
@@ -920,7 +920,7 @@ def check_custom_domain():
     ):
         alias_count = Alias.filter(Alias.custom_domain_id == custom_domain.id).count()
         if alias_count > 0:
-            LOG.warn(
+            LOG.warning(
                 f"Custom Domain {custom_domain} has {alias_count} aliases. Won't delete"
             )
         else:
diff --git a/events/event_source.py b/events/event_source.py
index 2b5920c3..d440988b 100644
--- a/events/event_source.py
+++ b/events/event_source.py
@@ -34,7 +34,7 @@ class PostgresEventSource(EventSource):
             try:
                 self.__listen(on_event)
             except Exception as e:
-                LOG.warn(f"Error listening to events: {e}")
+                LOG.warning(f"Error listening to events: {e}")
                 sleep(_POSTGRES_RECONNECT_INTERVAL_SECONDS)
                 self.__connect()
 
@@ -68,7 +68,7 @@ class PostgresEventSource(EventSource):
                         else:
                             LOG.info(f"Could not find event with id={notify.payload}")
                     except Exception as e:
-                        LOG.warn(f"Error getting event: {e}")
+                        LOG.warning(f"Error getting event: {e}")
                     Session.close()  # Ensure we get a new connection and we don't leave a dangling tx
 
     def __connect(self):
@@ -112,5 +112,5 @@ class DeadLetterEventSource(EventSource):
                     LOG.debug("No dead letter events")
                     sleep(_DEAD_LETTER_INTERVAL_SECONDS)
             except Exception as e:
-                LOG.warn(f"Error getting dead letter event: {e}")
+                LOG.warning(f"Error getting dead letter event: {e}")
                 sleep(_DEAD_LETTER_INTERVAL_SECONDS)
diff --git a/events/runner.py b/events/runner.py
index 2fa47306..3c39d7a3 100644
--- a/events/runner.py
+++ b/events/runner.py
@@ -46,5 +46,5 @@ class Runner:
                 event.retry_count = event.retry_count + 1
                 Session.commit()
         except Exception as e:
-            LOG.warn(f"Exception processing event [id={event.id}]: {e}")
+            LOG.warning(f"Exception processing event [id={event.id}]: {e}")
             newrelic.agent.record_custom_metric("Custom/sync_event_failed", 1)
diff --git a/job_runner.py b/job_runner.py
index 4cea7811..36b763d9 100644
--- a/job_runner.py
+++ b/job_runner.py
@@ -372,13 +372,13 @@ def execute():
                 jobs_done += 1
                 LOG.d("Processed job %s", job)
             except Exception as e:
-                LOG.warn(f"Error processing job (id={job.id} name={job.name}): {e}")
+                LOG.warning(f"Error processing job (id={job.id} name={job.name}): {e}")
 
                 # Increment manually, as the attempts increment is done by the take_job but not
                 # updated in our instance
                 job_attempts = job.attempts + 1
                 if job_attempts >= config.JOB_MAX_ATTEMPTS:
-                    LOG.warn(
+                    LOG.warning(
                         f"Marking job (id={job.id} name={job.name} attempts={job_attempts}) as ERROR"
                     )
                     job.state = JobState.error.value
diff --git a/monitor/metric_exporter.py b/monitor/metric_exporter.py
index 164f25ca..875c7f31 100644
--- a/monitor/metric_exporter.py
+++ b/monitor/metric_exporter.py
@@ -17,4 +17,4 @@ class MetricExporter:
             self.__newrelic.send(metrics)
             LOG.info("Upcloud metrics sent to NewRelic")
         except Exception as e:
-            LOG.warn(f"Could not export metrics: {e}")
+            LOG.warning(f"Could not export metrics: {e}")
diff --git a/monitor/upcloud.py b/monitor/upcloud.py
index c7f1aecc..bf751c83 100644
--- a/monitor/upcloud.py
+++ b/monitor/upcloud.py
@@ -35,7 +35,7 @@ def get_metric(json: Any, metric: str) -> UpcloudMetric:
                     UpcloudRecord(time=time, db_role=db_role, label=label, value=value)
                 )
             else:
-                LOG.warn(f"Could not get value for metric {metric}")
+                LOG.warning(f"Could not get value for metric {metric}")
 
     return UpcloudMetric(metric_name=metric, records=records)