diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index bf1c1ac8b08564af35d1c07adad0af3dc607aca1..444f85cf151d5900a4e1307bbf3b8ebed7ae4483 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -34,6 +34,8 @@ stages:
 
 cert:
   tags: [docker]
+  services:
+    - docker:dind
   stage: cert
   image: docker:latest
   artifacts: