diff --git a/integrations/azure_ai_search/tests/test_document_store.py b/integrations/azure_ai_search/tests/test_document_store.py
index ebffe6b83..754a8c0d0 100644
--- a/integrations/azure_ai_search/tests/test_document_store.py
+++ b/integrations/azure_ai_search/tests/test_document_store.py
@@ -3,7 +3,7 @@
 # SPDX-License-Identifier: Apache-2.0
 import os
 import random
-from datetime import datetime
+from datetime import datetime, timezone
 from typing import List
 from unittest.mock import patch
 
@@ -245,7 +245,8 @@ def test_comparison_greater_than_with_iso_date(self, document_store, filterable_
                 d
                 for d in filterable_docs
                 if d.meta.get("date") is not None
-                and datetime.fromisoformat(d.meta["date"]) > datetime.fromisoformat("1972-12-11T19:54:58Z")
+                and datetime.strptime(d.meta["date"], "%Y-%m-%dT%H:%M:%SZ").replace(tzinfo=timezone.utc)
+                > datetime.strptime("1972-12-11T19:54:58Z", "%Y-%m-%dT%H:%M:%SZ").replace(tzinfo=timezone.utc)
             ],
         )
 
@@ -261,7 +262,8 @@ def test_comparison_greater_than_equal_with_iso_date(self, document_store, filte
                 d
                 for d in filterable_docs
                 if d.meta.get("date") is not None
-                and datetime.fromisoformat(d.meta["date"]) >= datetime.fromisoformat("1969-07-21T20:17:40Z")
+                and datetime.strptime(d.meta["date"], "%Y-%m-%dT%H:%M:%SZ").replace(tzinfo=timezone.utc)
+                >= datetime.strptime("1969-07-21T20:17:40Z", "%Y-%m-%dT%H:%M:%SZ").replace(tzinfo=timezone.utc)
             ],
         )
 
@@ -277,7 +279,8 @@ def test_comparison_less_than_with_iso_date(self, document_store, filterable_doc
                 d
                 for d in filterable_docs
                 if d.meta.get("date") is not None
-                and datetime.fromisoformat(d.meta["date"]) < datetime.fromisoformat("1969-07-21T20:17:40Z")
+                and datetime.strptime(d.meta["date"], "%Y-%m-%dT%H:%M:%SZ").replace(tzinfo=timezone.utc)
+                < datetime.strptime("1969-07-21T20:17:40Z", "%Y-%m-%dT%H:%M:%SZ").replace(tzinfo=timezone.utc)
             ],
         )
 
@@ -293,7 +296,8 @@ def test_comparison_less_than_equal_with_iso_date(self, document_store, filterab
                 d
                 for d in filterable_docs
                 if d.meta.get("date") is not None
-                and datetime.fromisoformat(d.meta["date"]) <= datetime.fromisoformat("1969-07-21T20:17:40Z")
+                and datetime.strptime(d.meta["date"], "%Y-%m-%dT%H:%M:%SZ").replace(tzinfo=timezone.utc)
+                <= datetime.strptime("1969-07-21T20:17:40Z", "%Y-%m-%dT%H:%M:%SZ").replace(tzinfo=timezone.utc)
             ],
         )