diff --git a/.drone.yml b/.drone.yml
index 6db0687..6037a2c 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -40,6 +40,8 @@ steps:
       - composer global require humbug/box
       - php backupper app:build --build-version=$(git describe --abbrev=0 --tags) -n
       - php builds/backupper
+    when:
+      event: tag
 
   - name: publish
     image: plugins/github-release