diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 727370a..927f141 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -7,7 +7,7 @@ jobs:
     name: Test Python ${{ matrix.python-version }} (${{ matrix.os }})
     strategy:
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10"]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
         os: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps:
@@ -37,7 +37,7 @@ jobs:
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v3
         with:
-          python-version: "3.10"
+          python-version: "3.11"
 
       - name: Install requirements
         run: python -m pip install wheel setuptools build
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 17f24f7..911c24c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@ Changelog
 ---------
 
 Unreleased
+- added support for python 3.11
 
 1.2.1
 - (SECURITY) Use [defusedxml](https://github.com/tiran/defusedxml) to prevent XML SAX vulnerabilities ([#94](https://github.com/stchris/untangle/pull/94))
diff --git a/README.md b/README.md
index 1073f1b..75399d6 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ untangle
 * Children can be accessed with ``parent.child``, attributes with ``element['attribute']``.
 * You can call the ``parse()`` method with a filename, an URL or an XML string.
 * Substitutes ``-``, ``.`` and ``:`` with ``_`` ``<foobar><foo-bar/></foobar>`` can be accessed with ``foobar.foo_bar``, ``<foo.bar.baz/>`` can be accessed with ``foo_bar_baz`` and ``<foo:bar><foo:baz/></foo:bar>`` can be accessed with ``foo_bar.foo_baz``
-* Works with Python 3.7 - 3.10
+* Works with Python 3.7 - 3.11
 
 Installation
 ------------
diff --git a/setup.py b/setup.py
index 13ea21a..764bd47 100755
--- a/setup.py
+++ b/setup.py
@@ -32,6 +32,7 @@
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
     ],
 )