diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..bec5b0b
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,23 @@
+name: CI
+
+on:
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  ci:
+    # Only run for PRs raised from branches in this repository, not from forks.
+    if: github.event.pull_request.head.repo.full_name == github.repository
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v5
+        with:
+          enable-cache: true
+
+      - name: Run CI
+        run: make ci
diff --git a/Makefile b/Makefile
index a437e06..bd94ae9 100644
--- a/Makefile
+++ b/Makefile
@@ -30,12 +30,12 @@ run:
 # Contribute
 
 format:
-	poetry run ruff check --fix .                                                                                                                                                                                        
-	poetry run ruff format .
+	uv run ruff check --fix .
+	uv run ruff format .
 
 lint:
-	poetry run ruff check src
-	poetry run ruff format --check
+	uv run ruff check src
+	uv run ruff format --check
 
 typecheck:
 	uv run pyright