diff --git a/.drone.yml b/.drone.yml
index 884d4c4..bd8fe34 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -4,13 +4,13 @@ name: default
 
 steps:
 - name: install dependencies
-  image: yarnpkg/node-yarn
+  image: node
   commands:
-  - yarn install
-  - cd server && yarn install
-  - cd client && yarn install
+  - npm install
+  - cd server && npm install
+  - cd client && npm install
 
 - name: back-end test
-  image: yarnpkg/node-yarn
+  image: node
   commands:
-  - cd server && yarn test
\ No newline at end of file
+  - cd server && npm test
\ No newline at end of file