diff --git a/Jenkinsfile b/Jenkinsfile
index d45d179..56729c5 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -102,7 +102,7 @@ payload = {
   'fpk':pathlib.Path(os.environ['FPK_PATH']).name,'fpkSha256':os.environ['fpk_sha'],
   'runtime':'PostgreSQL 15 + pgvector 0.8.6'
 }
-path.write_text(json.dumps(payload,ensure_ascii=False,indent=2)+'\n',encoding='utf-8')
+path.write_text(json.dumps(payload,ensure_ascii=False,indent=2)+chr(10),encoding='utf-8')
 PY
                     sha256sum "$MANIFEST_PATH" >"$MANIFEST_PATH.sha256"
                 '''