diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 148de9f..7825465 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -58,6 +58,8 @@ jobs:
     strategy:
       matrix:
         python:
+          - version: "3.11"
+            toxenv: "py311"
           - version: "3.10"
             toxenv: "py310"
           - version: "3.9"
diff --git a/pyproject.toml b/pyproject.toml
index dfda53a..db14392 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,4 +4,4 @@ build-backend = "setuptools.build_meta"
 
 [tool.black]
 line-length = 79
-target-version = ["py39", "py310"]
+target-version = ["py39", "py310", "py311"]
diff --git a/setup.cfg b/setup.cfg
index 9248b8d..6fdfaf2 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -47,7 +47,7 @@ per-file-ignores =
     tests/test_*:E203,E402,F403,F405
 
 [tox:tox]
-envlist = py39,py310
+envlist = py39,py310,py311
 isolated_build = True
 
 [testenv]