diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index aff3c2855ad75a42d41b2527331b06f4e1cda851..551da4c33c3f98904758da15844180ca0514400c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -4,6 +4,9 @@ variables:
   MAVEN_CLI_OPTS: "-s .m2/settings.xml --batch-mode"
   MAVEN_DEPLOY_CLI_OPTS: "--no-transfer-progress"
   MAVEN_OPTS: "-Dmaven.repo.local=.m2/repository"
+  DOCKER_HOST: tcp://docker:2375
+  DOCKER_TLS_CERTDIR: ""
+  DOCKER_DRIVER: overlay2
 
 services:
   - name: kopsh-docker-dockerhub.repo-ex.zcdi.dataport.de/docker:dind