diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 74e94119..892c45c5 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -38,7 +38,7 @@ jobs:
             exit 1
         fi
         echo "Tag is $TAG"
-        echo "::set-output name=tag::$TAG"
+        echo "tag=$TAG" >> $GITHUB_OUTPUT
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v4
     - name: Login to DockerHub
@@ -46,11 +46,22 @@ jobs:
       with:
         username: ${{ secrets.DOCKER_USERNAME }}
         password: ${{ secrets.DOCKER_PASSWORD }}
-    - name: Build and push Docker image to registry
+    - name: Build Docker image
+      uses: docker/build-push-action@v7
+      with:
+        context: .
+        load: true
+        tags: p4lang/pi:${{ steps.get-tag.outputs.tag }}
+        cache-from: type=gha
+        # A cache write must not fail the build.
+        cache-to: type=gha,mode=max,ignore-error=true
+    - name: Smoke test Docker image
+      run: |
+        docker run --rm p4lang/pi:${{ steps.get-tag.outputs.tag }} pi_convert_p4info -h
+    - name: Push Docker image to registry
       uses: docker/build-push-action@v7
       with:
         context: .
         push: true
         tags: p4lang/pi:${{ steps.get-tag.outputs.tag }}
         cache-from: type=gha
-        cache-to: type=gha,mode=max