diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8a579972..5dc646de 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -10,6 +10,7 @@ before_script:
 
 earthly:
   stage: build
+  only: main
   image: earthly/earthly:v0.6.30
   tags:
     - linux