diff --git a/packetserver/runner/__init__.py b/packetserver/runner/__init__.py
index 01854e9..523fcf5 100644
--- a/packetserver/runner/__init__.py
+++ b/packetserver/runner/__init__.py
@@ -83,7 +83,7 @@ class Runner:
         self.args = args
         self.job_id = int(job_id)
         self.env = {}
-        self.started_at = datetime.datetime.now()
+        self.started_at = datetime.datetime.now(datetime.UTC)
         self.finished_at = None
         self._result = (0,(b'', b''))
         self._artifact_archive = b''
diff --git a/packetserver/runner/podman.py b/packetserver/runner/podman.py
index 2b74e97..8be4057 100644
--- a/packetserver/runner/podman.py
+++ b/packetserver/runner/podman.py
@@ -81,7 +81,7 @@ class PodmanRunner(Runner):
         except:
             logging.warning(f"Error retrieving artifacts for {self.job_id}:\n{format_exc()}")
             self._artifact_archive = b''
-        self.finished_at = datetime.datetime.now()
+        self.finished_at = datetime.datetime.now(datetime.UTC)
         # set final status to FAILED or SUCCEEDED
         if self.return_code == 0:
             self.status = RunnerStatus.SUCCESSFUL