diff --git a/.drone.yml b/.drone.yml
index 1c679d7..798255c 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -5,6 +5,8 @@ name: default
 steps:
   - name: test
     image: rust:1.56
+    environment:
+      - CARGO_HOME: ./.cargo_home
     commands:
       - cargo build --verbose --all
       - cargo test --verbose --all