diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 8d109eb..84124c0 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -20,7 +20,7 @@ jobs:
           python-version: "3.14"
 
       - name: Run Ruff Check
-        run: uv run ruff check .
+        run: uv run --group dev ruff check .
 
       - name: Run Ruff Format Check
-        run: uv run ruff format --check .
+        run: uv run --group dev ruff format --check .
diff --git a/.gitignore b/.gitignore
index a2f11a9..063709c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,8 @@ dist/
 wheels/
 *.egg-info
 
+.env
+
 # Virtual environments
 .venv
 
diff --git a/pyproject.toml b/pyproject.toml
index 4d91fa4..8eb656e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,3 +22,8 @@ dependencies = [
 [tool.pytest.ini_options]
 pythonpath = ["."]
 asyncio_mode = "auto"
+
+[dependency-groups]
+dev = [
+    "ruff>=0.15.20",
+]