diff --git a/.drone.yml b/.drone.yml
index b238881..34200b7 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -9,6 +9,7 @@ steps:
 - name: code style
   image: rust:1.47
   commands:
+  - rustup component add rustfmt
   - cargo fmt --all -- --check
 # - name: code quality
 #   image: rust:1.47