diff --git a/.drone.yml b/.drone.yml
index d16c8da..7adac17 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -4,10 +4,12 @@ name: default
 steps:
 - name: docker
   image: plugins/docker
+  network_mode: bridge
   settings:
     repo: sneak/adchpp
     dry_run: true
     build_args:
+      - UBUNTU_MIRROR=http://ubuntu.datavi.be/ubuntu
     username:
       from_secret: docker_username
     password: