diff --git a/.drone.yml b/.drone.yml
index cc32e0b..3847c32 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -9,6 +9,7 @@ steps:
     commands:
       - mkdir -p ~/.config/nixpkgs
       - echo '{ allowUnfree = true; }' > ~/.config/nixpkgs/config.nix
+      - cachix use xe
       - cd book && nix-build
       - cp $(readlink result) /lewa/result/docker.tgz
     volumes:
@@ -31,6 +32,7 @@ steps:
         from_secret: DOCKER_USERNAME
       DOCKER_PASSWORD:
         from_secret: DOCKER_PASSWORD
+      USER: root
 
 volumes:
   - name: book