diff --git a/.drone.yml b/.drone.yml
index ba883bd..aea69f8 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -4,7 +4,7 @@ name: default
 steps:
 - name: build
   commands:
-  - make
+  - make clean && make
 trigger:
   branch:
     - master