diff --git a/tox.ini b/tox.ini
index b1ba3eb0..f868d4ca 100644
--- a/tox.ini
+++ b/tox.ini
@@ -38,8 +38,8 @@ enable-extensions=H106,H203,H204,H205,H210,H904
 [testenv:pep8]
 deps =
     flake8-import-order>=0.17.1 # LGPLv3
-    hacking>=3.1.0,<4.0.0 # Apache-2.0
-    pycodestyle>=2.0.0,<2.7.0 # MIT
+    hacking>=4.1.0,<5.0.0 # Apache-2.0
+    pycodestyle>=2.0.0,<3.0.0 # MIT
     Pygments>=2.2.0 # BSD
     doc8>=0.6.0 # Apache 2.0
 commands =