diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e0f7eca..29f21c8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -21,6 +21,7 @@ concurrency:
 
 jobs:
   build:
+    if: github.ref == 'refs/heads/master'
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
@@ -66,6 +67,7 @@ jobs:
         uses: actions/upload-pages-artifact@v3
 
   deploy:
+    if: github.ref == 'refs/heads/master'
     environment:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}