diff --git a/system/upgrade_applications.yaml b/system/upgrade_applications.yaml
index cda0b7b..fe60df0 100644
--- a/system/upgrade_applications.yaml
+++ b/system/upgrade_applications.yaml
@@ -1,4 +1,10 @@
 # yaml-language-server: $schema=https://git.jesof.ch/public/mstr-schemas/raw/branch/main/mstr-tasks-schema.json
+options:
+  - name: "keyfile"
+    default: "$(homedir())/.mstr.pem"
+    description: "Keyfile for encrypting"
+    type: "string"
+
 tasks:
   - call:
       description: 'Upgrade github application "$(settings.name)"'