diff --git a/evergreen.yml b/evergreen.yml
index c370486b..604cd4d5 100644
--- a/evergreen.yml
+++ b/evergreen.yml
@@ -101,6 +101,8 @@ buildvariants:
           - validate_commit_message
   - display_name: Test Tags
     name: release
+    cron: "0 0 * * *" # Run once per day at midnight UTC
+    paths: ["ex.yml"] # Only run if ex.yml changes
     run_on:
       - ubuntu2004-small
     tasks:
diff --git a/ex.yml b/ex.yml
index c133fd1a..b3c44e6a 100644
--- a/ex.yml
+++ b/ex.yml
@@ -1,3 +1,4 @@
+# hello world!
 buildvariants:
   - display_name: Ubuntu 16.04
     name: ubuntu1604