diff --git a/docs/CONTRIBUTORS.rst b/docs/CONTRIBUTORS.rst
index bf685941..54ef8a8d 100644
--- a/docs/CONTRIBUTORS.rst
+++ b/docs/CONTRIBUTORS.rst
@@ -113,9 +113,8 @@ CI/CD will check that new TUF code is formatted with `black
 Auto-formatting can be done on the command line:
 ::
 
-    $ # TODO: configure black and isort args in pyproject.toml (see #1161)
     $ black <filename>
-    $ isort --line-length 80 --profile black -p tuf tuf/api
+    $ isort <filename>
 
 or via source code editor plugin
 [`black <https://black.readthedocs.io/en/stable/editor_integration.html>`__,
diff --git a/pyproject.toml b/pyproject.toml
index be5e7238..339f2416 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,6 +8,13 @@ build-backend = "setuptools.build_meta"
 [tool.black]
 line-length=80
 
+# Isort section
+# Read more here: https://pycqa.github.io/isort/docs/configuration/config_files.html
+[tool.isort]
+profile="black"
+line_length=80
+known_first_party = ["tuf"]
+
 # Pylint section
 
 # Minimal pylint configuration file for Secure Systems Lab Python Style Guide:
diff --git a/tox.ini b/tox.ini
index b06150ea..a6e0d765 100644
--- a/tox.ini
+++ b/tox.ini
@@ -40,9 +40,8 @@ commands =
 changedir = {toxinidir}
 commands =
     # Use different configs for new (tuf/api/*) and legacy code
-    # TODO: configure black and isort args in pyproject.toml (see #1161)
     black --check --diff tuf/api tuf/ngclient
-    isort --check --diff --line-length 80 --profile black -p tuf tuf/api tuf/ngclient
+    isort --check --diff tuf/api tuf/ngclient
     pylint -j 0 tuf/api tuf/ngclient --rcfile=pyproject.toml
 
     # NOTE: Contrary to what the pylint docs suggest, ignoring full paths does