diff --git a/pyproject.toml b/pyproject.toml
index 168848b2..1400fd5b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,3 @@
-[tool.black]
-line-length = 79
-target-version = ["py37"]
-
 [tool.ruff]
 select = ['E', 'F', 'I', 'W', 'UP', 'RUF']
 line-length = 79
diff --git a/tox.ini b/tox.ini
index bb923fb6..a5300403 100644
--- a/tox.ini
+++ b/tox.ini
@@ -44,12 +44,11 @@ commands =
 [testenv:lint]
 basepython = python3
 deps =
-    black
-    ruff==0.0.284
+    ruff
 skip_install = true
 commands =
-    black --check .
     ruff .
+    ruff format --check .
 
 [testenv:py311-mypy]
 deps =