diff --git a/.drone.yml b/.drone.yml
index b568cd8..048ddd1 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -22,7 +22,7 @@ steps:
   pull: always
   commands:
   - rustup component add clippy
-  - cargo clippy
+  - cargo clippy -- -D warnings
 
 trigger:
   event: