diff --git a/.github/workflows/integration.yml b/.github/workflows/integration.yml
index 7dfc198..92f93ca 100644
--- a/.github/workflows/integration.yml
+++ b/.github/workflows/integration.yml
@@ -16,7 +16,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v2
       with:
-        python-version: 3.9
+        python-version: 3.11
     - name: Install dependencies
       run: |
         pip install --upgrade pip
@@ -32,7 +32,7 @@ jobs:
       max-parallel: 8
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest, ubuntu-16.04]
-        python-version: [3.6, 3.7, 3.8, 3.9]
+        python-version: [3.6, 3.7, 3.8, 3.9, 3.10, 3.11]
 
     steps:
     - name: Set up Python ${{ matrix.python-version }} x64
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 57c68e5..cd5ace8 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -16,7 +16,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v2
       with:
-        python-version: 3.9
+        python-version: 3.11
 
     - name: Install dependencies
       run: |
diff --git a/README.rst b/README.rst
index 75dac52..8c3d899 100644
--- a/README.rst
+++ b/README.rst
@@ -19,7 +19,7 @@ Features
 - SegmentList - List with fast random access insertion and deletion.
 - 100% code coverage testing.
 - Developed on Python 3.9
-- Tested on CPython 3.6, 3.7, 3.8, and 3.9
+- Tested on CPython 3.6, 3.7, 3.8, 3.9, 3.10, and 3.11
 
 .. image:: https://github.com/grantjenks/python-sortedcollections/workflows/integration/badge.svg
    :target: https://github.com/grantjenks/python-sortedcollections/actions?query=workflow%3Aintegration
diff --git a/setup.py b/setup.py
index 6bf001f..f257217 100644
--- a/setup.py
+++ b/setup.py
@@ -48,6 +48,8 @@ def run_tests(self):
         'Programming Language :: Python :: 3.7',
         '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',
         'Programming Language :: Python :: Implementation :: PyPy',
     ),