diff --git a/.drone.yml b/.drone.yml
index aeb4dfe..3e92d50 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -36,11 +36,12 @@ steps:
     commands:
       - apt-get update
       - apt-get install -y build-essential debhelper devscripts dh-make
+      - curl -fsSL https://crystal-lang.org/install.sh | bash
       - mkdir -p /_cache/debian
       - mkdir -p /_cache/bin
       - cp -r * /_cache/debian
       - cd /_cache/debian
-      - dpkg-buildpackage -us -uc
+      - dpkg-buildpackage -us -uc -d
       - mv ../*.deb /_cache/bin
 
   - name: publish:tag