diff --git a/pyproject.toml b/pyproject.toml
index 9ba077e5..dd7da6e2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -66,8 +66,11 @@ torch-dftd = "^0.4.0"
 requires = ["poetry-core"]
 build-backend = "poetry.core.masonry.api"
 
+[tool.black]
+line-length = 88
+
 [tool.pylint.format]
-max-line-length = 125
+max-line-length = 88
 max-args = 10
 good-names = ["e"]
 
@@ -82,7 +85,7 @@ source=["janus_core"]
 
 [tool.isort]
 # Configuration of [isort](https://isort.readthedocs.io)
-line_length = 120
+line_length = 88
 force_sort_within_sections = true
 sections = ['FUTURE', 'STDLIB', 'THIRDPARTY', 'FIRSTPARTY', 'LOCALFOLDER']