diff --git a/{{cookiecutter.repo_name}}/pyproject.toml b/{{cookiecutter.repo_name}}/pyproject.toml
index 67e146c..8f8e279 100644
--- a/{{cookiecutter.repo_name}}/pyproject.toml
+++ b/{{cookiecutter.repo_name}}/pyproject.toml
@@ -11,7 +11,7 @@ dev = [
     "build~=1.0",
     "pre-commit~=3.4",
     "pytest~=8.0",
-    "ruff~=0.3.2",
+    "ruff~=0.4.2",
     "twine~=5.0",
 ]