diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 65ea546..91c61c6 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -11,14 +11,18 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "pypy3.8"]
+        python-version: ["3.9", "3.13", "3.14-dev", "pypy3.10"]
         exclude:
         - os: macos-latest
-          python-version: 3.8
+          python-version: 3.9
+        - os: macos-latest
+          python-version: 3.13
         - os: macos-latest
           python-version: pypy3
         - os: windows-latest
-          python-version: 3.8
+          python-version: 3.9
+        - os: windows-latest
+          python-version: 3.13
         - os: windows-latest
           python-version: pypy3
     runs-on: ${{ matrix.os }}
diff --git a/CHANGES.txt b/CHANGES.txt
index 7ebe8eb..2b61888 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -4,7 +4,7 @@ Changes
 5.3 (unreleased)
 ----------------
 
-- Nothing changed yet.
+- Now supports Python 3.9 to 3.13, and no longer requires backports.zoneinfo.
 
 
 5.2 (2023-10-22)
diff --git a/README.rst b/README.rst
index 4d94e92..1b931c8 100644
--- a/README.rst
+++ b/README.rst
@@ -30,9 +30,6 @@ This Python module returns the `IANA time zone name
 <https://www.iana.org/time-zones>`_ for your local time zone or a ``tzinfo``
 object with the local timezone information, under Unix and Windows.
 
-It requires Python 3.8 or later, and will use the ``backports.zoneinfo``
-package, for Python 3.8.
-
 This module attempts to fix a glaring hole in the ``pytz`` and ``zoneinfo``
 modules, that there is no way to get the local timezone information, unless
 you know the zoneinfo name, and under several Linux distros that's hard or
@@ -113,7 +110,7 @@ Create a local datetime:
     >>> dt
     datetime.datetime(2015, 4, 10, 7, 22, tzinfo=zoneinfo.ZoneInfo(key='Europe/Warsaw'))
 
-Lookup another timezone with ``zoneinfo`` (``backports.zoneinfo`` on Python 3.8 or earlier):
+Lookup another timezone with ``zoneinfo``:
 
     >>> from zoneinfo import ZoneInfo
     >>> eastern = ZoneInfo('US/Eastern')
diff --git a/pyproject.toml b/pyproject.toml
index f10aab4..6981867 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,15 +17,14 @@ classifiers = [
     "Operating System :: Unix",
     "Operating System :: MacOS :: MacOS X",
     "Typing :: Typed",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
 ]
-requires-python = ">= 3.8"
+requires-python = ">= 3.9"
 dependencies = [
-    "backports.zoneinfo; python_version < '3.9'",
     "tzdata; platform_system == 'Windows'",
 ]
 
diff --git a/tests/test_tzlocal.py b/tests/test_tzlocal.py
index f18ef00..46ae0c4 100644
--- a/tests/test_tzlocal.py
+++ b/tests/test_tzlocal.py
@@ -10,10 +10,7 @@
 import tzlocal.unix
 import tzlocal.utils
 
-if sys.version_info >= (3, 9):
-    from zoneinfo import ZoneInfo, ZoneInfoNotFoundError
-else:
-    from backports.zoneinfo import ZoneInfo, ZoneInfoNotFoundError
+from zoneinfo import ZoneInfo, ZoneInfoNotFoundError
 
 import logging
 
diff --git a/tzlocal/unix.py b/tzlocal/unix.py
index 117c18d..a70a52a 100644
--- a/tzlocal/unix.py
+++ b/tzlocal/unix.py
@@ -7,10 +7,7 @@
 
 from tzlocal import utils
 
-if sys.version_info >= (3, 9):
-    import zoneinfo  # pragma: no cover
-else:
-    from backports import zoneinfo  # pragma: no cover
+import zoneinfo
 
 _cache_tz = None
 _cache_tz_name = None
diff --git a/tzlocal/utils.py b/tzlocal/utils.py
index 3990535..5a0b72e 100644
--- a/tzlocal/utils.py
+++ b/tzlocal/utils.py
@@ -4,11 +4,7 @@
 import os
 import time
 import warnings
-
-try:
-    import zoneinfo  # pragma: no cover
-except ImportError:
-    from backports import zoneinfo  # pragma: no cover
+import zoneinfo
 
 from tzlocal import windows_tz
 
diff --git a/tzlocal/win32.py b/tzlocal/win32.py
index 2fa59fe..cfcdba5 100644
--- a/tzlocal/win32.py
+++ b/tzlocal/win32.py
@@ -6,10 +6,7 @@
 except ImportError:
     import winreg
 
-try:
-    import zoneinfo  # pragma: no cover
-except ImportError:
-    from backports import zoneinfo  # pragma: no cover
+import zoneinfo
 
 from tzlocal import utils
 from tzlocal.windows_tz import win_tz