diff --git a/tox.ini b/tox.ini
index fbe221f..7c3244e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -137,7 +137,7 @@ deps =
     git+https://github.com/domdfcoding/flake8-rst-docstrings.git
     git+https://github.com/python-formate/flake8-unused-arguments.git@magic-methods
     git+https://github.com/python-formate/flake8-missing-annotations.git
-    pydocstyle>=6.0.0
+    git+https://github.com/domdfcoding/pydocstyle.git@stub-functions
     pygments>=2.7.1
     importlib_metadata<4.5.0; python_version<'3.8'
 commands = python3 -m flake8_rst_docstrings_sphinx seed_intersphinx_mapping tests --allow-toolbox {posargs}