diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index a22c89e..8138a97 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -4,6 +4,7 @@ on:
   push:
     branches:
       - main
+      - master
 
 jobs:
   deploy:
@@ -34,7 +35,12 @@ jobs:
         run: npm install -g vercel@latest
 
       - name: Pull Vercel project settings
-        run: vercel pull --yes --environment=production --token=${{ secrets.VERCEL_TOKEN }}
+        run: |
+          if [ "${{ github.ref_name }}" = "master" ]; then
+            vercel pull --yes --environment=production --token=${{ secrets.VERCEL_TOKEN }}
+          else
+            vercel pull --yes --environment=preview --token=${{ secrets.VERCEL_TOKEN }}
+          fi
         env:
           VERCEL_ORG_ID: ${{ secrets.VERCEL_ORG_ID }}
           VERCEL_PROJECT_ID: ${{ secrets.VERCEL_PROJECT_ID }}
@@ -45,8 +51,16 @@ jobs:
           cp -r doc_build .vercel/output/static
           echo '{"version":3}' > .vercel/output/config.json
 
-      - name: Deploy to Vercel
+      - name: Deploy to Vercel (production)
+        if: github.ref_name == 'master'
         run: vercel deploy --prebuilt --prod --token=${{ secrets.VERCEL_TOKEN }}
         env:
           VERCEL_ORG_ID: ${{ secrets.VERCEL_ORG_ID }}
           VERCEL_PROJECT_ID: ${{ secrets.VERCEL_PROJECT_ID }}
+
+      - name: Deploy to Vercel (preview)
+        if: github.ref_name == 'main'
+        run: vercel deploy --prebuilt --token=${{ secrets.VERCEL_TOKEN }}
+        env:
+          VERCEL_ORG_ID: ${{ secrets.VERCEL_ORG_ID }}
+          VERCEL_PROJECT_ID: ${{ secrets.VERCEL_PROJECT_ID }}