diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1062d00..90d250c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,6 +1,5 @@
 build_image:
-  image:
-    - docker:latest
+  image: docker:latest
   services:
     - docker:dind
   before_script: