diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 1a26840..748fe0e 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -15,6 +15,7 @@ jobs:
       - uses: astral-sh/setup-uv@v5
       - run: uv python install 3.13
       - run: uv run ruff format --check
+      - run: uv run ruff check
   isort:
     runs-on: ubuntu-latest
     steps:
diff --git a/HISTORY.rst b/HISTORY.rst
index b1a7de0..c0924c2 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -1,3 +1,9 @@
+2.5 (2025-01-09)
+++++++++++++++++
+
+* Remove accidentally added debug print.
+* Add ruff linting and print checking.
+
 2.4 (2025-01-09)
 ++++++++++++++++
 
diff --git a/django_cmd.py b/django_cmd.py
index db508f2..f0f2b9b 100644
--- a/django_cmd.py
+++ b/django_cmd.py
@@ -27,7 +27,6 @@ def configure():
 
     # Load from pyproject.toml first
     if pyproject := locate():
-        print(pyproject.open().readlines())
         with pyproject.open("rb") as f:
             config = tomllib.load(f)
             settings_module = (
diff --git a/pyproject.toml b/pyproject.toml
index ee31794..ee92327 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -59,3 +59,6 @@ code = """
 import django_cmd
 django_cmd.patch_django()
 """
+
+[tool.ruff.lint]
+select = ["T201"]