diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index cfbfd3da..e3fc4e80 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -14,7 +14,7 @@ before_script:
   - pip install tox poetry coveralls pyyaml tomli
 
 style:
-  image: python:3.10
+  image: python:3.11
   stage: test
   script: tox -e style
 
@@ -38,13 +38,18 @@ python310:
   stage: test
   script: tox -e py310
 
+python311:
+  image: python:3.11
+  stage: test
+  script: tox -e py311
+
 doc:
-  image: python:3.10
+  image: python:3.11
   stage: test
   script: tox -e doc
 
 coverage:
-  image: python:3.10
+  image: python:3.11
   stage: test
   allow_failure: true
   script:
diff --git a/CHANGES.rst b/CHANGES.rst
index 0924a26f..909d56b4 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -14,6 +14,11 @@ Fixed
 - Fixed a bug happening during RP initiated logout on clients without
   `post_logout_redirect_uri` defined.
 
+Added
+*****
+
+- Python 3.11 support. :pr:`61`
+
 [0.0.12] - 2022-10-24
 =====================
 
diff --git a/pyproject.toml b/pyproject.toml
index c121c2e4..9ea7e034 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,6 +15,7 @@ classifiers = [
     "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",
     "License :: OSI Approved :: MIT License",
     "Environment :: Web Environment",
@@ -106,6 +107,7 @@ envlist =
     py38
     py39
     py310
+    py311
     doc
     coverage