diff --git a/.drone.yml b/.drone.yml
index d468608..45ad986 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -57,3 +57,8 @@ steps:
   - name: deploy backend 
     commands:
       - echo "deploying backend TODO"
+---
+kind: signature
+hmac: b83fd07f6cc04de673e561857d82e3cc36c4f98f311f78808fc927839d5d3cf2
+
+...