diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3ebfc370..f949635e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -62,7 +62,7 @@ jobs:
         run: |
           python -VV
           python -m site
-          python -m pip install --upgrade wheel 'tox<4' tox-gh-actions
+          python -m pip install --upgrade wheel tox tox-gh-actions
 
       - run: python -m tox
 
@@ -134,7 +134,7 @@ jobs:
           # Keep in sync with tox/docs and .readthedocs.yaml.
           python-version: "3.10"
 
-      - run: python -m pip install --upgrade wheel 'tox<4'
+      - run: python -m pip install --upgrade wheel tox
       - run: python -m tox -e docs,changelog
 
   pyright:
@@ -158,7 +158,7 @@ jobs:
         with:
           python-version: ${{env.PYTHON_LATEST}}
 
-      - run: python -m pip install --upgrade wheel 'tox<4'
+      - run: python -m pip install --upgrade wheel tox
       - run: python -m tox -e pyright
 
   install-dev:
diff --git a/tox.ini b/tox.ini
index c93ed4c3..992c1aeb 100644
--- a/tox.ini
+++ b/tox.ini
@@ -27,6 +27,7 @@ commands =
 [testenv]
 extras = tests
 commands = python -m pytest {posargs:-n auto}
+passenv = SETUPTOOLS_SCM_PRETEND_VERSION
 
 
 [testenv:py3{7,10,11}]