diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a25c8abf2746307057d5f323beeb8424d94aa3a6..a4b832959e3ff31fb8af49fab1dbaa4db56a96f0 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -9,13 +9,13 @@ variables:
   production_repo: ubleipzig/folio-okapi
   staging_repo: services.ub.uni-leipzig.de:11443/bdd_dev/folio/okapi
   alpha_repo: services.ub.uni-leipzig.de:11443/bdd_dev/folio/okapi
-  
+  DOCKER_TLS_CERTDIR: ""
 
 docker_build:
   stage: build
   image: ubleipzig/deployer:1.3.2
   services:
-  - docker:18.09-dind
+  - docker:dind
   script: |
     deployer build \
       --build-arg HTTP_PROXY=${HTTP_PROXY} \