diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index ec3e80e..e1b5724 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -16,7 +16,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: '3.8'
+          python-version: '3.10'
 
       - name: Install dependencies
         run: |
diff --git a/.github/workflows/smoke-test.yml b/.github/workflows/smoke-test.yml
index e266ad5..754c0b8 100644
--- a/.github/workflows/smoke-test.yml
+++ b/.github/workflows/smoke-test.yml
@@ -16,7 +16,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: '^3.8'
+          python-version: '^3.10'
 
       - name: Install solidation
         run: python -m pip install .
diff --git a/.github/workflows/typing.yml b/.github/workflows/typing.yml
index 82a2448..837ccfd 100644
--- a/.github/workflows/typing.yml
+++ b/.github/workflows/typing.yml
@@ -16,7 +16,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: '3.8'
+          python-version: '3.10'
 
       - name: Install dependencies
         run: |
diff --git a/setup.cfg b/setup.cfg
index 3e0541c..ea6a30f 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -16,8 +16,6 @@ keywords =
 classifiers =
     Programming Language :: Python :: 3 :: Only
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.8
-    Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11
     Programming Language :: Python :: Implementation :: CPython
@@ -35,7 +33,7 @@ packages = find_namespace:
 package_dir =
     =src
 include_package_data = True
-python_requires = >= 3.8
+python_requires = >= 3.10
 install_requires =
     click >= 8.0
     click-loglevel ~= 0.2
diff --git a/src/solidation/__main__.py b/src/solidation/__main__.py
index acde5e0..034cef2 100644
--- a/src/solidation/__main__.py
+++ b/src/solidation/__main__.py
@@ -7,8 +7,9 @@
 import os
 from pathlib import Path
 from random import sample
+from re import Pattern
 from statistics import quantiles
-from typing import TYPE_CHECKING, Any, List, Pattern, Set, Union
+from typing import TYPE_CHECKING, Any
 from urllib.parse import quote
 import click
 from click_loglevel import LogLevel
@@ -37,7 +38,7 @@ class RepoSpec(BaseModel):
 
 class OrgSpec(BaseModel):
     name: GHUser
-    fetch_members: Union[StrictBool, Pattern] = False
+    fetch_members: StrictBool | Pattern = False
     member_activity_only: bool = False
 
     def member_fetched(self, user: str) -> bool:
@@ -50,9 +51,9 @@ def member_fetched(self, user: str) -> bool:
 class Configuration(BaseModel):
     project: str = "Project"
     recent_days: int = Field(default=7, ge=1)
-    organizations: List[Union[GHUser, OrgSpec]] = Field(default_factory=list)
-    repositories: List[Union[GHRepo, RepoSpec]] = Field(default_factory=list)
-    members: Set[GHUser] = Field(default_factory=set)
+    organizations: list[GHUser | OrgSpec] = Field(default_factory=list)
+    repositories: list[GHRepo | RepoSpec] = Field(default_factory=list)
+    members: set[GHUser] = Field(default_factory=set)
     num_oldest_prs: int = Field(default=10, ge=1)
     max_random_issues: int = Field(default=5, ge=1)