diff --git a/.github/workflows/qa.yml b/.github/workflows/qa.yml
new file mode 100644
index 0000000..1953ea5
--- /dev/null
+++ b/.github/workflows/qa.yml
@@ -0,0 +1,31 @@
+name: qa
+
+on:
+  push:
+    branches: [ main, master ]
+  pull_request:
+    branches: [ main, master ]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+
+      - name: Install Poetry
+        uses: snok/install-poetry@v1
+        with:
+          virtualenvs-create: true
+          virtualenvs-in-project: true
+
+      - name: Install dependencies
+        run: poetry install --no-interaction
+
+      - name: Lint
+        run: poetry run ruff check .
diff --git a/Makefile b/Makefile
index d006704..95b027b 100644
--- a/Makefile
+++ b/Makefile
@@ -47,6 +47,16 @@ dev-push:
 	@git commit -m "$$(read -p 'Commit message: ' msg; echo $$msg)" || true
 	@git push
 
+## ==================
+## Quality Assurance
+## ==================
+
+.PHONY: lint
+
+lint:
+	@echo "Running ruff linter..."
+	@poetry run ruff check .
+
 ## ================
 ## Release Commands
 ## ================
diff --git a/pyproject.toml b/pyproject.toml
index 873a0b6..ccb5cbc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,10 +12,18 @@ httpx = "^0.24.0"
 
 [tool.poetry.group.dev.dependencies]
 pytest = "^8.0"
+ruff = "^0.4"
 
 [tool.pytest.ini_options]
 testpaths = ["tests"]
 
+[tool.ruff]
+line-length = 120
+target-version = "py310"
+
+[tool.ruff.lint]
+select = ["E", "F", "W", "I"]
+
 [build-system]
 requires = ["poetry-core"]
 build-backend = "poetry.core.masonry.api"