diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f9e30979047c99e7c2764e036f0930b8e49f52ca..03cd89cd38c806459af2132beec5bc76c32807f8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -72,7 +72,7 @@ Docker build to Docker Hub registry:
     name: gcr.io/kaniko-project/executor:debug
     entrypoint: ['']
   script:
-    - echo "{\"auths\":{\"index.docker.io\":{\"username\":\"$DOCKERHUB_USER\",\"password\":\"$DOCKERHUB_PASSWORD\"}}}" > /kaniko/.docker/config.json
+    - echo "{\"auths\":{\"https://index.docker.io/v1/\":{\"username\":\"$DOCKERHUB_USER\",\"password\":\"$DOCKERHUB_PASSWORD\"}}}" > /kaniko/.docker/config.json
     - /kaniko/executor --context $CI_PROJECT_DIR --dockerfile $CI_PROJECT_DIR/Dockerfile --destination rlacko58/kszkepzes-backend:latest
 
 Deploy to Kubernetes: