diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index 4ed86d6..7b10421 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -42,9 +42,9 @@ jobs:
       # https://github.com/sigstore/cosign-installer
       - name: Install cosign
         if: github.event_name != 'pull_request'
-        uses: sigstore/cosign-installer@v2.3.0
+        uses: sigstore/cosign-installer@main
         with:
-          cosign-release: 'v1.7.1'
+          cosign-release: 'v1.9.0'
 
 
       # Workaround: https://github.com/docker/build-push-action/issues/461
diff --git a/Dockerfile b/Dockerfile
index 95d811a..c9b048f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -22,3 +22,4 @@ RUN composer update --no-cache \
     && rm -rf /usr/bin/composer
 
 EXPOSE 80
+CMD apachectl -D FOREGROUND