diff --git a/tox.ini b/tox.ini
index 37c5ac8..58d7940 100644
--- a/tox.ini
+++ b/tox.ini
@@ -2,8 +2,8 @@
 python =
     3.7: py37
     3.8: py38, typing
-    3.9: py39, typing, pypi-description
-    3.10: py310, typing
+    3.9: py39, typing
+    3.10: py310, typing, pypi-description
     pypy3: pypy3
 
 [tox]
@@ -29,7 +29,7 @@ commands =
    coverage html
 
 [testenv:lint]
-basepython = python3.9
+basepython = python3.10
 skip_install = true
 deps =
     pre-commit
@@ -43,7 +43,7 @@ commands =
     mypy --strict src/manifestoo
 
 [testenv:docs]
-basepython = python3.9
+basepython = python3.10
 extras = doc
 commands =
     python docs/gen_cli_doc.py
@@ -51,7 +51,7 @@ commands =
 allowlist_externals = make
 
 [testenv:pypi-description]
-basepython = python3.9
+basepython = python3.10
 skip_install = true
 deps =
     twine