diff --git a/requirements_tests.txt b/requirements_tests.txt
index b3dbf4efb..6c24f2e32 100644
--- a/requirements_tests.txt
+++ b/requirements_tests.txt
@@ -4,7 +4,7 @@ coverage==5.2.1
 flake8-docstrings==1.5.0
 flake8==3.8.3
 pre-commit==2.7.1
-pydocstyle==5.1.0
+pydocstyle==5.1.1
 pylint==2.6.0
 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)