diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 000000000..f5da62525
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,2 @@
+[tool.black]
+line-length = 119
\ No newline at end of file
diff --git a/tox.ini b/tox.ini
index 4d0f0291b..913b8045e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -4,7 +4,7 @@
 # and then run "tox" from this directory.
 
 [tox]
-envlist = security,flake8,py
+envlist = security,flake8,py,black
 minversion = 1.7.0
 
 [testenv]
@@ -197,3 +197,10 @@ deps = {[docs]deps}
 setenv = {[docs]setenv}
 commands =
     sphinx-build -W -b linkcheck . {envtmpdir}/linkcheck
+
+[testenv:black]
+deps =
+    black==22.10.0
+commands =
+    black {posargs:--check .}
+    
\ No newline at end of file