diff --git a/requirements_tests.txt b/requirements_tests.txt
index 27bb2ed8b..8aa76bc32 100644
--- a/requirements_tests.txt
+++ b/requirements_tests.txt
@@ -4,7 +4,7 @@ coverage==5.5
 flake8-docstrings==1.6.0
 flake8==3.9.0
 pre-commit==2.11.1
-pydocstyle==5.1.1
+pydocstyle==6.0.0
 pylint==2.7.2
 pytest-aiohttp==0.3.0
 pytest-asyncio==0.12.0 # NB!: Versions over 0.12.0 breaks pytest-aiohttp (https://github.com/aio-libs/pytest-aiohttp/issues/16)