diff --git a/.circleci/config.yml b/.circleci/config.yml
index e383375..27d2807 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -3,14 +3,14 @@ version: 2.1
 jobs:
   build:
     docker:
-      - image: cimg/node:14.10.1
+      - image: 'circleci/node:12'
         environment:
           DATABASE_URL: postgres://psqluer:psqlpassword@localhost:5432/psdb
-          JWT_SECRET: coucou
+          JWT_SECRET: some string you want
           API_PORT: 3000
           API_HOST: localhost
           API_PROTOCOL: http
-      - image: circleci/postgres:9.6.2-alpine
+      - image: 'circleci/postgres:9.6.2-alpine'
         environment:
           POSTGRES_USER: psqluer
           POSTGRES_PASSWORD: psqlpassword