diff --git a/jobs/build-cosa.Jenkinsfile b/jobs/build-cosa.Jenkinsfile
index 90ffcfbb1..a970b5b66 100644
--- a/jobs/build-cosa.Jenkinsfile
+++ b/jobs/build-cosa.Jenkinsfile
@@ -26,7 +26,8 @@ properties([
          silentResponse: false,
          regexpFilterText: '$COREOS_ASSEMBLER_GIT_REF',
          regexpFilterExpression: 'main|rhcos-.*'
-        ]
+        ], 
+        [$class: 'cron', cron: 'H H * * 1,3']
     ]),
     parameters([
       string(name: 'ARCHES',