diff --git a/scrapy_webarchive/downloadermiddlewares.py b/scrapy_webarchive/downloadermiddlewares.py
index 960d1bd..32f134b 100644
--- a/scrapy_webarchive/downloadermiddlewares.py
+++ b/scrapy_webarchive/downloadermiddlewares.py
@@ -1,5 +1,4 @@
 import re
-from typing import Union
 
 from scrapy import signals
 from scrapy.crawler import Crawler
@@ -10,7 +9,7 @@
 from scrapy.spiders import Spider
 from scrapy.statscollectors import StatsCollector
 from smart_open import open
-from typing_extensions import Self
+from typing_extensions import Self, Union
 
 from scrapy_webarchive.wacz import MultiWaczFile, WaczFile
 from scrapy_webarchive.warc import record_transformer
diff --git a/scrapy_webarchive/middleware.py b/scrapy_webarchive/middleware.py
index 67e8b86..2b53155 100644
--- a/scrapy_webarchive/middleware.py
+++ b/scrapy_webarchive/middleware.py
@@ -1,5 +1,4 @@
 import re
-from typing import Iterable, Self, Union
 from urllib.parse import urlparse
 
 from scrapy import Request, Spider, signals
@@ -8,6 +7,7 @@
 from scrapy.settings import Settings
 from scrapy.statscollectors import StatsCollector
 from smart_open import open
+from typing_extensions import Iterable, Self, Union
 
 from scrapy_webarchive.wacz import MultiWaczFile, WaczFile
 from scrapy_webarchive.warc import record_transformer
diff --git a/scrapy_webarchive/warc.py b/scrapy_webarchive/warc.py
index fee7594..2d4e849 100644
--- a/scrapy_webarchive/warc.py
+++ b/scrapy_webarchive/warc.py
@@ -2,13 +2,13 @@
 import uuid
 from datetime import datetime, timezone
 from io import BytesIO
-from typing import List, Tuple
 from urllib.parse import urlparse
 
 from scrapy import __version__ as scrapy_version
 from scrapy.http.request import Request
 from scrapy.http.response import Response
 from scrapy.responsetypes import ResponseTypes
+from typing_extensions import List, Tuple
 from warc.warc import WARCRecord
 from warcio.recordloader import ArcWarcRecord
 from warcio.statusandheaders import StatusAndHeaders