diff --git a/.drone.yml b/.drone.yml
index 9710734..6e06748 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -14,6 +14,8 @@ steps:
 - name: docker
   image: plugins/docker
   when:
+    ref:
+    - refs/tags/v*
     branch:
     - master
   settings: