diff --git a/tox.ini b/tox.ini
index a68c07fa8..79aae1f34 100644
--- a/tox.ini
+++ b/tox.ini
@@ -77,7 +77,7 @@ commands =
 
 [testenv:pep257]
 skip_install = true
-deps = pep257==0.5.0
+deps = pep257==0.6.0
 passenv = PYTHON LANG
 # Disabled checks:
 # D102: Docstring missing, will be handled by others