diff --git a/.circleci/config.yml b/.circleci/config.yml
index b477827..829810b 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -39,7 +39,7 @@ workflows:
   nightly:
     triggers:
       - schedule:
-          cron: "0 0 * * *"
+          cron: "0 0 * * 1,4"
           filters:
             branches:
               only: master