diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 12e2f76..272716d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,6 +1,18 @@
 variables:
   DOCKER_REPOSITORY: registry.mender.io/cfengine/cfbuild
   DOCKERFILE: Dockerfile
+  DOCKER_HOST:
+    value: 'tcp://docker:2376'
+    description: "Required to run dind inside k8s runners with TLS"
+  DOCKER_TLS_CERTDIR:
+    value: '/certs'
+    description: "The cert dir inside the gitlab runner. Don't change this."
+  DOCKER_TLS_VERIFY:
+    value: "1"
+    description: "Enable TLS verification for docker in dind"
+  DOCKER_CERT_PATH:
+    value: "$DOCKER_TLS_CERTDIR/client"
+    description: "Used for docker entrypoints. See https://gitlab.com/gitlab-org/gitlab-runner/-/issues/4125"
 
 include:
   - project: 'Northern.tech/Mender/mendertesting'