diff --git a/.circleci/config.yml b/.circleci/config.yml
index 124d80b..f05fd3a 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,7 +1,8 @@
 version: 2
 jobs:
   build:
-    docker: python:3.8-alpine
+    docker: 
+      - image: python:3.8-alpine
     working_directory: ~/back
     steps: 
       - checkout