diff --git a/requirements-ci.txt b/requirements-ci.txt
index b26e660..6ca1f94 100644
--- a/requirements-ci.txt
+++ b/requirements-ci.txt
@@ -1,4 +1,5 @@
 -r requirements/requirements.txt
 -r requirements/requirements-dev.txt
+-r requirements/requirements-tox.txt
 -r requirements/requirements-ci.txt
 -r requirements/requirements-ci-freeze.txt
diff --git a/requirements/requirements-ci-freeze.txt b/requirements/requirements-ci-freeze.txt
index 68efaf8..7c52dd0 100644
--- a/requirements/requirements-ci-freeze.txt
+++ b/requirements/requirements-ci-freeze.txt
@@ -2,14 +2,18 @@ alabaster==0.7.13
 astroid==3.0.0
 Babel==2.13.0
 bottle==0.12.25
+cachetools==5.3.1
 certifi==2023.7.22
+chardet==5.2.0
 charset-normalizer==3.3.0
 colorama==0.4.6
 conan==1.61.0
 coverage==7.3.2
 dill==0.3.7
+distlib==0.3.7
 docutils==0.20.1
 fasteners==0.19
+filelock==3.12.4
 flake8==6.1.0
 idna==3.4
 imagesize==1.4.1
@@ -34,6 +38,7 @@ pyflakes==3.1.0
 Pygments==2.16.1
 PyJWT==2.8.0
 pylint==3.0.1
+pyproject-api==1.6.1
 pytest==7.4.2
 python-dateutil==2.8.2
 PyYAML==6.0.1
@@ -49,6 +54,8 @@ sphinxcontrib-qthelp==1.0.6
 sphinxcontrib-serializinghtml==1.1.9
 toml==0.10.2
 tomlkit==0.12.1
+tox==4.11.3
 tqdm==4.66.1
 typing_extensions==4.8.0
 urllib3==1.26.17
+virtualenv==20.24.5
diff --git a/requirements/requirements-tox.txt b/requirements/requirements-tox.txt
index 3a6d502..053148f 100644
--- a/requirements/requirements-tox.txt
+++ b/requirements/requirements-tox.txt
@@ -1 +1 @@
-tox<4.0
+tox