diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 7bb7c70..660273b 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -18,13 +18,12 @@ jobs:
       fail-fast: false
       matrix:
         py:
-          - "3.12.0-beta.1"
+          - "pypy3.9" # ahead to start it earlier because takes longer
+          - "3.12"
           - "3.11"
           - "3.10"
-          - "pypy3.9" # ahead to start it earlier because takes longer
           - "3.9"
           - "3.8"
-          - "3.7"
         os:
           - ubuntu-22.04
           - windows-2022
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 541ca5d..b62e333 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -9,7 +9,7 @@ repos:
     hooks:
       - id: ruff
         args: [--fix, --exit-non-zero-on-fix]
-  - repo: https://github.com/psf/black
+  - repo: https://github.com/psf/black-pre-commit-mirror
     rev: 23.11.0
     hooks:
       - id: black
@@ -19,7 +19,7 @@ repos:
       - id: tox-ini-fmt
         args: ["-p", "fix"]
   - repo: https://github.com/tox-dev/pyproject-fmt
-    rev: "1.5.1"
+    rev: "1.5.3"
     hooks:
       - id: pyproject-fmt
         additional_dependencies: ["tox>=4.6.4"]
diff --git a/pyproject.toml b/pyproject.toml
index f6df973..9e0c101 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,7 +24,7 @@ maintainers = [
   { name = "Ofek Lev", email = "oss@ofek.dev" },
   { name = "Ronny Pfannschmidt", email = "opensource@ronnypfannschmidt.de" },
 ]
-requires-python = ">=3.7"
+requires-python = ">=3.8"
 classifiers = [
   "Development Status :: 5 - Production/Stable",
   "Intended Audience :: Developers",
@@ -32,7 +32,6 @@ classifiers = [
   "Operating System :: OS Independent",
   "Programming Language :: Python",
   "Programming Language :: Python :: 3 :: Only",
-  "Programming Language :: Python :: 3.7",
   "Programming Language :: Python :: 3.8",
   "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
@@ -45,9 +44,6 @@ classifiers = [
 dynamic = [
   "version",
 ]
-dependencies = [
-  'typing-extensions>=4.7.1; python_version < "3.8"',
-]
 optional-dependencies.docs = [
   "furo>=2023.7.26",
   "proselint>=0.13",
@@ -77,7 +73,7 @@ line-length = 120
 [tool.ruff]
 select = ["ALL"]
 line-length = 120
-target-version = "py37"
+target-version = "py38"
 isort = {known-first-party = ["platformdirs", "tests"], required-imports = ["from __future__ import annotations"]}
 ignore = [
     "ANN101",  # Missing type annotation for `self` in method
diff --git a/src/platformdirs/__init__.py b/src/platformdirs/__init__.py
index 3d5a5bd..93d67a9 100644
--- a/src/platformdirs/__init__.py
+++ b/src/platformdirs/__init__.py
@@ -14,11 +14,7 @@
 
 if TYPE_CHECKING:
     from pathlib import Path
-
-    if sys.version_info >= (3, 8):  # pragma: no cover (py38+)
-        from typing import Literal
-    else:  # pragma: no cover (py38+)
-        from typing_extensions import Literal
+    from typing import Literal
 
 
 def _set_platform_dir_class() -> type[PlatformDirsABC]:
diff --git a/src/platformdirs/api.py b/src/platformdirs/api.py
index aa9ce7b..f5389e7 100644
--- a/src/platformdirs/api.py
+++ b/src/platformdirs/api.py
@@ -7,12 +7,7 @@
 from typing import TYPE_CHECKING
 
 if TYPE_CHECKING:
-    import sys
-
-    if sys.version_info >= (3, 8):  # pragma: no cover (py38+)
-        from typing import Literal
-    else:  # pragma: no cover (py38+)
-        from typing_extensions import Literal
+    from typing import Literal
 
 
 class PlatformDirsABC(ABC):
diff --git a/tox.ini b/tox.ini
index 1af7b63..1844288 100644
--- a/tox.ini
+++ b/tox.ini
@@ -8,7 +8,6 @@ env_list =
     py310
     py39
     py38
-    py37
     pypy3
     type
     coverage
@@ -82,7 +81,6 @@ depends =
     py310
     py39
     py38
-    py37
     pypy3
 
 [testenv:readme]