diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 39f2280..1c9770e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,8 +1,15 @@
 image: docker:18-git
 
+variables:
+  DOCKER_DRIVER: overlay2
+  DOCKER_TLS_CERTDIR: ""
+  DOCKER_HOST: tcp://localhost:2375
+
 stages:
   - build
   - push
+services:
+  - docker:18-dind
 
 before_script:
   - echo -n $HARBOR_TOKEN | docker login -u $HARBOR_USER --password-stdin $HARBOR_REGISTRY