diff --git a/wayback/_client.py b/wayback/_client.py
index abee7cd..83b74b8 100644
--- a/wayback/_client.py
+++ b/wayback/_client.py
@@ -38,6 +38,13 @@
                                 ReadTimeoutError,
                                 ProxyError,
                                 TimeoutError)
+# The Header dict lives in a different place for urllib3 v2:
+try:
+    from urllib3 import HTTPHeaderDict as Urllib3HTTPHeaderDict
+# vs. urllib3 v1:
+except ImportError:
+    from urllib3.response import HTTPHeaderDict as Urllib3HTTPHeaderDict
+
 from warnings import warn
 from . import _utils, __version__
 from ._models import CdxRecord, Memento
diff --git a/wayback/tests/test_client.py b/wayback/tests/test_client.py
index 63d63d7..57fcb12 100644
--- a/wayback/tests/test_client.py
+++ b/wayback/tests/test_client.py
@@ -8,8 +8,14 @@
 from urllib.parse import urlparse, ParseResult, parse_qs
 from urllib3 import (HTTPConnectionPool,
                      HTTPResponse,
-                     HTTPHeaderDict,
                      Timeout as Urllib3Timeout)
+# The Header dict lives in a different place for urllib3 v2:
+try:
+    from urllib3 import HTTPHeaderDict
+# vs. urllib3 v1:
+except ImportError:
+    from urllib3.response import HTTPHeaderDict
+
 from .support import create_vcr
 from .._client import (CdxRecord,
                        Mode,