diff --git a/.drone.yml b/.drone.yml
index 6682b06..d248218 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -2,6 +2,11 @@ kind: pipeline
 name: default
 
 steps:
+ - name: fmt
+   image: rust:1.37.0
+   commands:
+     -  rustup component add rustfmt
+     -  cargo fmt --all -- --check
  - name: test
    image: rust:1.37.0
    commands: