diff --git a/.woodpecker/build_publish.yml b/.woodpecker/build_publish.yml
index 7ea1b79..f0e126f 100644
--- a/.woodpecker/build_publish.yml
+++ b/.woodpecker/build_publish.yml
@@ -16,8 +16,11 @@ steps:
             api_key:
                 from_secret: GIT_ACCESS_TOKEN
             target: main
+            file-exists: fail
     release:
         image: git.verdigado.com/verdigado-public/krankerl_docker:latest
         commands:
-            - krankerl login --appstore $${NEXTCLOUD_APPSTORE_TOKEN}
-        secrets: [ NEXTCLOUD_APPSTORE_TOKEN ]
\ No newline at end of file
+            - krankerl login --appstore "$${NEXTCLOUD_APPSTORE_TOKEN}"
+            - echo "$${NEXTCLOUD_APPSTORE_SIGNING_KEY}" | base64 -d > ~/.nextcloud/certificates/groupfolder_filesystem_snapshots.key
+            - krankerl publish https://git.verdigado.com/verdigado-public/nextcloud_groupfolder_filesystem_snapshots/releases/download/$${CI_COMMIT_TAG}/groupfolder_filesystem_snapshots.tar.gz
+        secrets: [ NEXTCLOUD_APPSTORE_TOKEN, NEXTCLOUD_APPSTORE_SIGNING_KEY ]
\ No newline at end of file