1 files changed, 1 insertions, 0 deletions

diff --git a/tox.ini b/tox.ini
index 8611507..45b48d1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -29,6 +29,7 @@ deps=
       flake8-builtins
       flake8-docstrings
       flake8-rst-docstrings
+      pydocstyle<4.0.0
       # used by flake8-rst-docstrings
       pygments
 commands = flake8 ./mako/ ./test/ setup.py --exclude test/templates,test/foo