diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..53af5d3
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,45 @@
+name: CI
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ci-${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  ci:
+    name: CI
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+    steps:
+      - name: Check out source
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+        with:
+          persist-credentials: false
+          ref: ${{ github.event.pull_request.head.sha || github.sha }}
+
+      - name: Set up Bun
+        uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2.2.0
+        with:
+          bun-version: 1.3.14
+          no-cache: true
+          token: ""
+
+      - name: Install dependencies
+        run: bun install --frozen-lockfile
+
+      - name: Test
+        run: bun test
+
+      - name: Typecheck
+        run: bun run typecheck
+
+      - name: Build
+        run: bun run build