diff --git a/.drone.yml b/.drone.yml
index f2831b4..cba1214 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -7,4 +7,9 @@ steps:
   image: python
   commands:
     - pip install -r requirements.txt
-    - pytest
\ No newline at end of file
+    - pytest
+---
+kind: signature
+hmac: c96ed440ae544005570aa462c4b98bb82cc075c8d9469e058783d6d297eacaac
+
+...