diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a4df171efb9384ef394c3bce4d30d9344dfbe699..5e0301e3f1f3d3117d35ead3c9fb36d026b6631d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -12,7 +12,7 @@ ci_test_image:
   stage: build
   variables:
     DOCKER_DRIVER: overlay2
-  image: docker:stable
+  image: docker:18
   services:
     - docker:dind
   before_script: