diff --git a/postgres/tests/test_statements.py b/postgres/tests/test_statements.py
index 38be0bff7a51d..f8aff1a214f9a 100644
--- a/postgres/tests/test_statements.py
+++ b/postgres/tests/test_statements.py
@@ -18,6 +18,7 @@
 from datadog_checks.base.utils.db.sql import compute_sql_signature
 from datadog_checks.base.utils.db.utils import DBMAsyncJob
 from datadog_checks.base.utils.serialization import json
+from datadog_checks.base.utils.time import UTC
 from datadog_checks.postgres.statement_samples import DBExplainError, StatementTruncationState
 from datadog_checks.postgres.statements import PG_STAT_STATEMENTS_METRICS_COLUMNS, PG_STAT_STATEMENTS_TIMING_COLUMNS
 
@@ -41,8 +42,6 @@
 
 dbm_enabled_keys = ["dbm", "deep_database_monitoring"]
 
-DEFAULT_TZ_INFO = psycopg2.tz.FixedOffsetTimezone(offset=0, name=None)
-
 
 @pytest.fixture(autouse=True)
 def stop_orphaned_threads():
@@ -1023,15 +1022,15 @@ def test_activity_reported_hostname(
 
 
 def new_time():
-    return datetime.datetime(2021, 9, 23, 23, 21, 21, 669330, tzinfo=DEFAULT_TZ_INFO)
+    return datetime.datetime(2021, 9, 23, 23, 21, 21, 669330, tzinfo=UTC)
 
 
 def old_time():
-    return datetime.datetime(2021, 9, 22, 22, 21, 21, 669330, tzinfo=DEFAULT_TZ_INFO)
+    return datetime.datetime(2021, 9, 22, 22, 21, 21, 669330, tzinfo=UTC)
 
 
 def very_old_time():
-    return datetime.datetime(2021, 9, 20, 23, 21, 21, 669330, tzinfo=DEFAULT_TZ_INFO)
+    return datetime.datetime(2021, 9, 20, 23, 21, 21, 669330, tzinfo=UTC)
 
 
 @pytest.mark.parametrize(