diff --git a/.drone.yml b/.drone.yml
index e493139..69d544f 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -7,6 +7,7 @@ steps:
 - name: backend_check
   image: rust
   commands:
+  - apt update && apt install -y zlib1g-dev
   - rustup component add clippy
   - cd geneit_backend
   - cargo clippy -- -D warnings