diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5dc646de..7a33fdf6 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -10,7 +10,8 @@ before_script:
 
 earthly:
   stage: build
-  only: main
+  only:
+    - main
   image: earthly/earthly:v0.6.30
   tags:
     - linux