diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 8cd3127..1cc9dbd 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.8, 3.9, '3.10', '3.11', '3.12', '3.13']
+        python-version: [3.9, '3.10', '3.11', '3.12', '3.13']
       max-parallel: 1
 
     steps:
@@ -69,7 +69,7 @@ jobs:
       - name: Setup python
         uses: actions/setup-python@v5
         with:
-          python-version: 3.8
+          python-version: 3.9
 
       - name: Install tox and any other dependencies for test
         run: |
diff --git a/pyproject.toml b/pyproject.toml
index d343047..b937b8b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ authors = [
 ]
 description = "Sphinx utility that make it easy to translate and to apply translation."
 readme = "README.rst"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 license = {file = "LICENSE"}
 dependencies = [
     "setuptools",
@@ -26,7 +26,6 @@ classifiers = [
     "Topic :: Text Processing :: General",
     "Topic :: Utilities",
     "Operating System :: OS Independent",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
diff --git a/sphinx_intl/sphinx_util.py b/sphinx_intl/sphinx_util.py
index b433060..6f55cfc 100644
--- a/sphinx_intl/sphinx_util.py
+++ b/sphinx_intl/sphinx_util.py
@@ -1,9 +1,9 @@
-from typing import Iterator, List
+from collections.abc import Iterator
 
 
 # port from https://github.com/sphinx-doc/sphinx/blob/ad41e0b/sphinx/util/tags.py
 class Tags:
-    def __init__(self, tags: List[str] = None) -> None:
+    def __init__(self, tags: list[str] = None) -> None:
         self.tags = dict.fromkeys(tags or [], True)
 
     def has(self, tag: str) -> bool:
diff --git a/tox.ini b/tox.ini
index 5c4703c..3d76503 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,12 +1,11 @@
 [tox]
 envlist =
-    py{38,39,310,311,312,313},
+    py{39,310,311,312,313},
     lint,
     mypy
 
 [gh-actions]
 python =
-    3.8: py38
     3.9: py39
     3.10: py310
     3.11: py311