diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..6c7907b
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,29 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    env:
+      HUSKY: '0'
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - uses: pnpm/action-setup@v2
+      - uses: actions/setup-node@v3
+        with:
+          node-version: '20.10.0'
+          cache: 'pnpm'
+      - name: log info
+        run: >
+          printf 'commit -> %s\nbranch -> %s\n' "$(git rev-parse --short HEAD)" "$(git branch --show-current)"
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+      - name: Build
+        run: pnpm run build
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index d8a666e..1117ec4 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -8,6 +8,8 @@ on:
 
 jobs:
   deploy:
+    if: github.repository == 'Roma-JS/roma-js-opening-slides' # prevents this action from running on forks
+    concurrency: ci-${{ github.ref }} # Recommended if you intend to make multiple deployments in quick succession.
     runs-on: ubuntu-latest
 
     permissions:
@@ -26,7 +28,7 @@ jobs:
 
       - uses: actions/setup-node@v3
         with:
-          node-version: 'lts/*'
+          node-version: '20.10.0'
           cache: 'pnpm'
 
       - name: Install dependencies
diff --git a/.nvmrc b/.nvmrc
new file mode 100644
index 0000000..790e110
--- /dev/null
+++ b/.nvmrc
@@ -0,0 +1 @@
+v20.10.0
diff --git a/package.json b/package.json
index fd36f41..41a7dc8 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "romajs-intro",
   "type": "module",
   "private": true,
-  "packageManager": "pnpm@8.7.5",
+  "packageManager": "pnpm@8.12.1",
   "scripts": {
     "build": "slidev build",
     "dev": "slidev --open",