diff --git a/requirements_dev.txt b/requirements_dev.txt
index 07fa12e..12bb478 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -4,7 +4,7 @@ yamllint==1.7.0
 Sphinx==1.5.2
 pytest==3.1.2
 pytest-pep8==1.0.6
-pydocstyle==2.0.0
+pydocstyle==6.2.2
 
 # Python 2.6 Support
 astroid==1.2.1; python_version < '2.7' # pyup: ==1.2.1