diff --git a/dev-requirements.txt b/dev-requirements.txt
index 9d56bd9..ffe2a3c 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -5,4 +5,4 @@ pytest-cov>=2.6.1
 setuptools>=40.8.3
 bandit>=1.5.1
 vulture>=1.0
-pydocstyle>=3.0.0
+pydocstyle>=6.3.0