diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 644c9c34..eed804df 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -25,6 +25,8 @@ jobs:
         python.version: '3.9'
       Python310:
         python.version: '3.10'
+      Python311:
+        python.version: '3.11'
     maxParallel: 3
 
   steps:
diff --git a/tox.ini b/tox.ini
index 849028da..88d8e83e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -4,7 +4,7 @@
 envlist =
     clean,
     check,
-    {py27, py35, py36, py37},
+    {py27, py35, py36, py37, py38, py39, py310, py311},
     report
 
 [testenv]
@@ -13,6 +13,10 @@ basepython =
     py35: {env:TOXPYTHON:python3.5}
     py36: {env:TOXPYTHON:python3.6}
     py37: {env:TOXPYTHON:python3.7}
+    py38: {env:TOXPYTHON:python3.8}
+    py39: {env:TOXPYTHON:python3.9}
+    py310: {env:TOXPYTHON:python3.10}
+    py311: {env:TOXPYTHON:python3.11}
     {clean,check,report,codecov}: {env:TOXPYTHON:python3}
 setenv =
     PYTHONPATH={toxinidir}/tests