diff --git a/pipeline.yml b/pipeline.yml
index 2e3967d..ad23c36 100644
--- a/pipeline.yml
+++ b/pipeline.yml
@@ -11,8 +11,7 @@ resources:
         - pipeline.yml
         - upload_pipeline.sh
         - README.md
-      branch:
-        - master
+      branch: master
 
 jobs:
   - name: publish