diff --git a/.github/workflows/ci-build.yml b/.github/workflows/ci-build.yml
index 47361e1..1297d6c 100644
--- a/.github/workflows/ci-build.yml
+++ b/.github/workflows/ci-build.yml
@@ -23,7 +23,7 @@ jobs:
         username: ${{ github.repository_owner }}
         password: ${{ secrets.GITHUB_TOKEN }}
     - name: Build and push Docker images
-      uses: docker/build-push-action@v3.3.0
+      uses: docker/build-push-action@v4.0.0
       with:
         tags: ghcr.io/beryju/saml-test-sp:latest
         push: ${{ github.ref == 'refs/heads/master' }}