diff --git a/src/tools/miri/.github/workflows/sysroots.yml b/src/tools/miri/.github/workflows/sysroots.yml
index 509521e7478b..96d7d4d11185 100644
--- a/src/tools/miri/.github/workflows/sysroots.yml
+++ b/src/tools/miri/.github/workflows/sysroots.yml
@@ -1,8 +1,8 @@
 name: Tier 2 sysroots
 
-on: push
-#  schedule:
-#    - cron: '44 4 * * *' # At 4:44 UTC every day.
+on:
+  schedule:
+    - cron: '44 4 * * *' # At 4:44 UTC every day.
 
 defaults:
   run: