1 files changed, 1 insertions, 1 deletions

diff --git a/tox.ini b/tox.ini
index 082658f..b0629fc 100644
--- a/tox.ini
+++ b/tox.ini
@@ -59,7 +59,7 @@ deps = -r{toxinidir}/doc/requirements.txt
 commands = sphinx-build -W -b html doc/source doc/build/html
 
 [testenv:pep8]
-deps = hacking<4.1.0,>=4.0.0
+deps = hacking>=4.0.0,<4.1.0
       doc8
       pre-commit>=2.6.0
 commands =