diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 17eb18aed66e1508bedd845d9866ffdd5c6d18d8..db9ab86dd5e1183e8f47fd3899412d45b2488b75 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,5 +1,6 @@
 variables:
   VERSION: "6.4.2.6"
+  DOCKER_TLS_CERTDIR: "/certs"
 
 build:
   image: docker:latest