diff --git a/kuryr_kubernetes/k8s_client.py b/kuryr_kubernetes/k8s_client.py
index 258988b02..25d4d8602 100644
--- a/kuryr_kubernetes/k8s_client.py
+++ b/kuryr_kubernetes/k8s_client.py
@@ -24,7 +24,6 @@ import urllib3
 
 from oslo_log import log as logging
 from oslo_serialization import jsonutils
-import pytz
 import requests
 from requests import adapters
 
@@ -418,7 +417,7 @@ class K8sClient(object):
 
         # This is needed for Event date, otherwise LAST SEEN/Age will be empty
         # and misleading.
-        now = datetime.datetime.utcnow().replace(tzinfo=pytz.UTC)
+        now = datetime.datetime.utcnow().replace(tzinfo=datetime.timezone.utc)
         date_time = now.strftime("%Y-%m-%dT%H:%M:%SZ")
 
         name = ".".join((resource['metadata']['name'],
diff --git a/requirements.txt b/requirements.txt
index 5890bf56c..8699d78f8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,4 +27,3 @@ pyroute2>=0.5.7;sys_platform!='win32' # Apache-2.0 (+ dual licensed GPL2)
 retrying!=1.3.0,>=1.2.3 # Apache-2.0
 stevedore>=1.20.0 # Apache-2.0
 prometheus_client>=0.6.0 # Apache-2.0
-pytz>=2024.1 # MIT