fix CI

.gitlab-ci.yml

@@ -28,7 +28,7 @@ build_image:
   before_script:
     - echo "" > ./env/local.app.opentalent.fr.crt
     - echo "" > ./env/local.app.opentalent.fr.key
-    - yarn install --network-timeout 10000
+    - yarn install --frozen-lockfile --network-timeout 10000
     - HOSTNAME=ci yarn prepare
 
 unit: