diff --git a/pyproject.toml b/pyproject.toml
index 64c4398..91d6882 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -95,6 +95,10 @@ rstcheck = "^3.3.1"
 [tool.poetry.scripts]
 plex-playlist = "playlist.__main__:main"
 
+[tool.black]
+line-length = 88
+target-version = ["py38"]
+
 [tool.coverage.paths]
 source = ["src", "*/site-packages"]