diff --git a/.drone.yml b/.drone.yml
index ef8f817..a2d4fd3 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -6,6 +6,7 @@ steps:
   - name: test
     image: rust
     commands:
+      - rustup component add rustfmt
       - cargo fmt --check
       - cargo build --all
       - cargo build --examples --all