diff --git a/drone.yml b/drone.yml
index 1e08fad..d36fee8 100644
--- a/drone.yml
+++ b/drone.yml
@@ -5,11 +5,11 @@ steps:
 - name: test
   image: node
   commands:
-  - npm install
+  - yarn install
   - npm run test:coverage
 
 - name: build
   image: node
   commands:
-  - npm install
+  - yarn install
   - npm run build
\ No newline at end of file