diff --git a/tox.ini b/tox.ini
index 4ec3e9e1..9f9da7e1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -9,7 +9,6 @@ setenv =
     all: DJANGO_SETTINGS_MODULE = tests.settings_all
     core: DJANGO_SETTINGS_MODULE = tests.settings_core
 basepython =
-    py37: python3.7
     py38: python3.8
     py39: python3.9
     py310: python3.10
@@ -26,7 +25,8 @@ commands =
 [testenv:docs]
 description = invoke sphinx-build to build the HTML docs
 basepython = python3.9
+skip_install = True
 deps = -r{toxinidir}/docs/requirements.txt
-install_command =
+install_command = python -I -m pip install {opts} {packages}
 commands =
     sphinx-build -T -E -b html -d "{toxworkdir}/docs_doctree" -D language=en docs "{toxworkdir}/docs_out" {posargs}