diff --git a/package/pyproject.toml b/package/pyproject.toml
index 05b0eb3ba1..3d1ea04bdd 100644
--- a/package/pyproject.toml
+++ b/package/pyproject.toml
@@ -121,3 +121,9 @@ find = {}
 MDAnalysis = [
     'analysis/data/*.npy',
 ]
+
+[tool.black]
+line-length = 79
+target-version = ['py310', 'py311', 'py312']
+extend-exclude = '.'
+required-version = '24'
diff --git a/testsuite/pyproject.toml b/testsuite/pyproject.toml
index 4af3b1d85c..a757271db9 100644
--- a/testsuite/pyproject.toml
+++ b/testsuite/pyproject.toml
@@ -151,3 +151,9 @@ filterwarnings = [
     # NamedStream warnings
     "ignore:Constructed NamedStream:RuntimeWarning",
 ]
+
+[tool.black]
+line-length = 79
+target-version = ['py310', 'py311', 'py312']
+extend-exclude = '.'
+required-version = '24'