diff --git a/.drone.yml b/.drone.yml
index 9505d5d..6ff83ed 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -1,3 +1,4 @@
+---
 kind: pipeline
 name: default
 
@@ -90,3 +91,8 @@ steps:
       - rm -rf /docs
       - wget https://documentation.p-epsilon.com/Arbutils/Arbutils.tag Arbutils.tag
       - ( cat Doxyfile ; echo "OUTPUT_DIRECTORY=/docs"; echo "GENERATE_TAGFILE=/docs/html/CreatureLib.tag" ) | doxygen -
+---
+kind: signature
+hmac: 65f726f3966c1e4fc8708731fb5bc8649e599b436fbafde96a2a4b44ea2ce2cf
+
+...