diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5c4d25635bd5b9ac553417c0f1d479dda8e799f6..a80e63162be2a44576c895b3882085833cf7c609 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -5,6 +5,9 @@ variables:
   MAVEN_CLI_OPTS: >-
     -s .m2/ci_settings.xml --batch-mode
     -Dmaven.plugin.validation=brief
+  DOCKER_HOST: tcp://docker:2375
+  DOCKER_TLS_CERTDIR: ""
+  DOCKER_DRIVER: overlay2
 
 services:
   - docker:dind