diff --git a/.gitea/workflows/build-push.yml b/.gitea/workflows/build-push.yml
index 6dfe2f8..35d69c8 100644
--- a/.gitea/workflows/build-push.yml
+++ b/.gitea/workflows/build-push.yml
@@ -39,9 +39,20 @@ jobs:
           REGISTRY_USER: ${{ secrets.FORGEJO_REGISTRY_USER }}
           REGISTRY_TOKEN: ${{ secrets.FORGEJO_REGISTRY_TOKEN }}
 
+      - name: Delete old latest image
+        run: |
+          # Delete old :latest tag from Forgejo registry via API
+          curl -s -X DELETE \
+            -u "${REGISTRY_USER}:${REGISTRY_TOKEN}" \
+            "https://${REGISTRY}/v2/rock/portfolio/manifests/$(curl -s -H 'Accept: application/vnd.oci.image.index.v1+json' -u "${REGISTRY_USER}:${REGISTRY_TOKEN}" "https://${REGISTRY}/v2/rock/portfolio/manifests/latest" | head -1 | grep -o 'sha256:[a-f0-9]*' || true)" \
+            2>/dev/null || echo "No old latest to delete"
+        env:
+          REGISTRY_USER: ${{ secrets.FORGEJO_REGISTRY_USER }}
+          REGISTRY_TOKEN: ${{ secrets.FORGEJO_REGISTRY_TOKEN }}
+
       - name: Build image
         run: |
-          docker build \
+          docker build --no-cache \
             -t "${IMAGE}:${{ steps.sha.outputs.short_sha }}" \
             -t "${IMAGE}:latest" \
             .