diff --git a/.vscode/settings.json b/.vscode/settings.json
index ca826d1..66e4d9e 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,5 +1,5 @@
 {
-  "restructuredtext.confPath": "${workspaceFolder}/doc",
+  "esbonio.sphinx.confDir": "${workspaceFolder}/doc",
   "files.watcherExclude": {
     "**/.git/objects/**": true,
     "**/.git/subtree-cache/**": true,
diff --git a/setup.cfg b/setup.cfg
index ef78c82..96c029c 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -18,11 +18,11 @@ classifiers =
     Operating System :: OS Independent
     Programming Language :: Python
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.6
     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
     Topic :: Software Development :: Libraries :: Python Modules
     Topic :: Office/Business :: Financial :: Point-Of-Sale
diff --git a/tox.ini b/tox.ini
index 20f1415..dbc2a0e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py35, py36, py37, py38, py39, py310, docs, flake8
+envlist = py37, py38, py39, py310, py311, docs, flake8
 
 [gh-actions]
 python =
@@ -9,6 +9,7 @@ python =
     3.8: py38
     3.9: py39
     3.10: py310
+    3.11: py311
 
 [testenv]
 deps = nose