diff --git a/.drone.yml b/.drone.yml
index c2595bd..9e9967b 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -47,6 +47,8 @@ steps:
         from_secret: dockerhub_password
       tags:
         - ${DRONE_TAG}
+      build_args:
+        - ROUNDCUBEMAIL_VERSION=${DRONE_TAG}
 
 trigger:
   event: