diff --git a/.build.yml b/.build.yml
index c57f882..426a95d 100644
--- a/.build.yml
+++ b/.build.yml
@@ -2,6 +2,7 @@ image: archlinux
 packages:
   - rust
   - cargo-deny
+  - unshield
 sources:
   - https://git.sr.ht/~redstrate/physis
 tasks: