diff --git a/tox.ini b/tox.ini
index 38a9380..cbb2c00 100644
--- a/tox.ini
+++ b/tox.ini
@@ -34,7 +34,7 @@ commands = check-manifest --ignore 'tests/*'
 
 [testenv:check-formatting]
 basepython = python3.10
-deps = black==23.1.0
+deps = black
 skip_install = true
 commands =
     black {env:SOURCE} tests --line-length {env:LINE_LENGTH} --diff --check