diff --git a/project_name/.github/workflows/ci.yml.jinja b/project_name/.github/workflows/ci.yml.jinja
index 6ef6b25..a2392c8 100644
--- a/project_name/.github/workflows/ci.yml.jinja
+++ b/project_name/.github/workflows/ci.yml.jinja
@@ -77,7 +77,7 @@ jobs:
       - name: List packages
         run: uv pip list
       - name: Run mypy
-        run: uv run --no-sync mypy --num-workers auto
+        run: uv run --no-sync mypy
 
   dependencies:
     runs-on: ubuntu-latest
diff --git a/project_name/.pre-commit-config.yaml.jinja b/project_name/.pre-commit-config.yaml.jinja
index aff9a5b..0778458 100644
--- a/project_name/.pre-commit-config.yaml.jinja
+++ b/project_name/.pre-commit-config.yaml.jinja
@@ -207,6 +207,9 @@ repos:
     rev: <placeholder_until_update_deps>
     hooks:
       - id: validate-pyproject
+        # TODO: drop `args` once SchemaStore's mypy schema accepts
+        #   `num_workers = "auto"` (new in mypy 2.4)
+        args: [--disable-plugins, mypy, --]
 
   # YAML files
   - repo: https://github.com/adrienverge/yamllint
diff --git a/project_name/pyproject.toml.jinja b/project_name/pyproject.toml.jinja
index 9a2d445..7e8a3a6 100644
--- a/project_name/pyproject.toml.jinja
+++ b/project_name/pyproject.toml.jinja
@@ -186,6 +186,7 @@ src.include = [
 [tool.mypy]
 files = ["src", "tests"]
 mypy_path = "stubs"
+num_workers = "auto"
 # set the platform
 python_version = "3.{{ python_min }}"
 # enable checks [last updated: mypy 2.4]