diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000000000000000000000000000000000000..af62b7a7957e68155b305db7f8b14239cae0acd2
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,4 @@
+[tool.black]
+line-length=79
+target-version=['py36']
+preview=true