diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 44361e7..45d9cd3 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -13,7 +13,7 @@ jobs:
         - uses: actions/checkout@v4
         - uses: codespell-project/actions-codespell@master
 
-    build-deploy:
+    build:
         runs-on: ubuntu-latest
         steps:
 
@@ -37,8 +37,13 @@ jobs:
                 name: poster
                 path: poster.pdf
 
+    deploy:
+      needs: build
+      runs-on: ubuntu-latest
+      if: github.event.pull_request.merged == true
+      steps:
             - name: Commit poster PDF
-              if: ${{ github.event.pull_request.merged }}
+              if: github.event.pull_request.merged
               uses: EndBug/add-and-commit@v9
               with:
                 add: 'poster.pdf'
@@ -46,7 +51,7 @@ jobs:
                 message: 'Add poster.pdf at ${{ github.sha }}'
 
             - name: Deploy html to gh-pages
-              if: ${{ github.event.pull_request.merged }}
+              if: github.event.pull_request.merged
               uses: JamesIves/github-pages-deploy-action@4.1.5
               with:
                 branch: gh-pages