diff --git a/docker-osmenrich/enrich.py b/docker-osmenrich/enrich.py
index 053e54e..d462226 100644
--- a/docker-osmenrich/enrich.py
+++ b/docker-osmenrich/enrich.py
@@ -26,6 +26,7 @@ from os.path import join, exists, getsize
 from sys import exit, stderr
 from time import sleep
 from urllib import request
+from datetime import timezone
 
 import xmltodict
 import yaml
@@ -319,7 +320,7 @@ class Enrich(object):
         if osm_id and row:
             allow_updated = False
             osm_timestamp = self.check_data_on_dict(from_osm, '@timestamp')
-            osm_datetime = parser.parse(osm_timestamp).replace(tzinfo=None)
+            osm_datetime = parser.parse(osm_timestamp).replace(tzinfo=timezone.utc)
             if not row['changeset_timestamp'] or row['changeset_timestamp'] < osm_datetime:
                 allow_updated = True
             if allow_updated:
diff --git a/docker-osmenrich/requirements.txt b/docker-osmenrich/requirements.txt
index 3921e25..25bda9d 100644
--- a/docker-osmenrich/requirements.txt
+++ b/docker-osmenrich/requirements.txt
@@ -1,4 +1,4 @@
-psycopg2-binary==2.9.4
+psycopg2-binary==2.9.9
 python-dateutil==2.8.2
-PyYAML==6.0
+PyYAML==6.0.1
 xmltodict==0.13.0
\ No newline at end of file