diff --git a/.circleci/config.yml b/.circleci/config.yml
index 73267e19248edc42eb36cca1de47d8cc682dba28..15ef1fb3f083a535fe6cba7db6cca03db0c5989d 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -283,7 +283,7 @@ workflows:
           # prevent us from actually having to rebuild it very often.
           #
           # https://circleci.com/docs/2.0/workflows/#specifying-a-valid-schedule
-          cron: "0 0 * * Mon"
+          cron: "40 6 * * 4"
           filters:
             branches:
               only: