diff --git a/.drone.yml b/.drone.yml
index e228e27..2504b9d 100755
--- a/.drone.yml
+++ b/.drone.yml
@@ -10,6 +10,7 @@ steps:
       - sh install-packages.sh
       - pip install --no-cache-dir -r requirements.txt
       - mkdocs build --verbose
+      - cowsay test1
 
   # - name: deploy
   #   image: appleboy/drone-scp
diff --git a/packages.txt b/packages.txt
index 2bfa791..2487cf4 100755
--- a/packages.txt
+++ b/packages.txt
@@ -5,3 +5,5 @@ libjpeg-dev
 libpng-dev
 libz-dev
 pngquant
+
+cowsay