diff --git a/tox.ini b/tox.ini
index 1e7aa8f..d617416 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,80 +1,80 @@
 [tox]
 envlist=flake8,py3,winery,mypy
 
 [testenv]
 extras =
   testing
 deps =
   pytest-cov
   dev: pdbpp
 commands =
   pytest --cov={envsitepackagesdir}/swh/objstorage \
          {envsitepackagesdir}/swh/objstorage \
          --cov-branch --cov-report term-missing {posargs}
 
 [testenv:winery]
 allowlist_externals = bash
 passenv = *
 commands =
   bash {toxinidir}/winery-test-environment/remote-tox.sh {posargs}
 
 [testenv:black]
 skip_install = true
 deps =
   black==22.3.0
 commands =
   {envpython} -m black --check swh
 
 [testenv:flake8]
 skip_install = true
 deps =
   flake8==4.0.1
   flake8-bugbear==22.3.23
 commands =
   {envpython} -m flake8
 
 [testenv:mypy]
 extras =
   testing
 deps =
-  mypy==0.920
+  mypy==0.942
 commands =
   mypy swh
 
 # build documentation outside swh-environment using the current
 # git HEAD of swh-docs, is executed on CI for each diff to prevent
 # breaking doc build
 [testenv:sphinx]
 whitelist_externals = make
 usedevelop = true
 extras =
   testing
 deps =
   # fetch and install swh-docs in develop mode
   -e git+https://forge.softwareheritage.org/source/swh-docs#egg=swh.docs
 
 setenv =
   SWH_PACKAGE_DOC_TOX_BUILD = 1
   # turn warnings into errors
   SPHINXOPTS = -W
 commands =
   make -I ../.tox/sphinx/src/swh-docs/swh/ -C docs
 
 
 # build documentation only inside swh-environment using local state
 # of swh-docs package
 [testenv:sphinx-dev]
 whitelist_externals = make
 usedevelop = true
 extras =
   testing
 deps =
   # install swh-docs in develop mode
   -e ../swh-docs
 
 setenv =
   SWH_PACKAGE_DOC_TOX_BUILD = 1
   # turn warnings into errors
   SPHINXOPTS = -W
 commands =
   make -I ../.tox/sphinx-dev/src/swh-docs/swh/ -C docs