diff --git a/.woodpecker/docker.yaml b/.woodpecker/docker.yaml
index 0ce0464..3af7f5d 100644
--- a/.woodpecker/docker.yaml
+++ b/.woodpecker/docker.yaml
@@ -7,6 +7,7 @@ labels:
   platform: ${platform}
 
 when:
+  branch: main
   event: [push, pull_request, tag]
 
 variables: