diff --git a/tox.ini b/tox.ini
index 576806013..84785371f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -55,7 +55,7 @@ commands =
 usedevelop = False
 deps =
     flake8-import-order>=0.17.1 # LGPLv3
-    hacking>=4.1.0,<5.0.0 # Apache-2.0
+    hacking~=6.0.0 # Apache-2.0
     pycodestyle>=2.0.0,<3.0.0 # MIT
     doc8>=0.8.1 # Apache-2.0
 commands =