diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4ae6d29..4ca1d84 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -52,6 +52,10 @@ jobs:
           python -m pip install --upgrade pip
           pip install -r requirements-dev.txt
 
+      - name: Lint with Ruff
+        working-directory: backend
+        run: ruff check .
+
       - name: Run tests
         working-directory: backend
         run: pytest apps/gameplay/
diff --git a/backend/pyproject.toml b/backend/pyproject.toml
new file mode 100644
index 0000000..71ac3af
--- /dev/null
+++ b/backend/pyproject.toml
@@ -0,0 +1,7 @@
+[tool.ruff]
+line-length = 120
+target-version = "py311"
+extend-exclude = ["*/migrations/*"]
+
+[tool.ruff.lint]
+select = ["E", "F", "W", "B", "UP", "C4", "SIM"]
diff --git a/backend/requirements-dev.txt b/backend/requirements-dev.txt
index f37cd50..e4a4226 100644
--- a/backend/requirements-dev.txt
+++ b/backend/requirements-dev.txt
@@ -1,3 +1,4 @@
 -r requirements.txt
 pytest==8.3.4
 pytest-django==4.9.0
+ruff==0.15.16