diff --git a/.github/workflows/dispatch-ci.yml b/.github/workflows/dispatch-ci.yml
index 561f4cf..9eb2f23 100644
--- a/.github/workflows/dispatch-ci.yml
+++ b/.github/workflows/dispatch-ci.yml
@@ -1,9 +1,11 @@
 name: Dispatch CI
 
 on:
-  # At 2:10 AM UTC, only on Wednesday and Thursday
+  # At 3:15 PM UTC, only on Tuesday and Wednesday
   schedule:
-    - cron: '10 2 * * 3,4'
+    - cron: '15 15 * * 2,3'
+
+permissions: {}
 
 jobs:
   dispatch-ci:
@@ -11,6 +13,9 @@ jobs:
     # Only run cron on the silverstripe account
     if: (github.event_name == 'schedule' && github.repository_owner == 'silverstripe') || (github.event_name != 'schedule')
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      actions: write
     steps:
       - name: Dispatch CI
         uses: silverstripe/gha-dispatch-ci@v1
diff --git a/.github/workflows/keepalive.yml b/.github/workflows/keepalive.yml
index a78d771..3d7483d 100644
--- a/.github/workflows/keepalive.yml
+++ b/.github/workflows/keepalive.yml
@@ -1,17 +1,21 @@
 name: Keepalive
 
 on:
-  # At 2:10 AM UTC, on day 11 of the month
+  # At 12:00 PM UTC, on day 17 of the month
   schedule:
-    - cron: '10 2 11 * *'
+    - cron: '0 12 17 * *'
   workflow_dispatch:
 
+permissions: {}
+
 jobs:
   keepalive:
     name: Keepalive
     # Only run cron on the silverstripe account
     if: (github.event_name == 'schedule' && github.repository_owner == 'silverstripe') || (github.event_name != 'schedule')
     runs-on: ubuntu-latest
+    permissions:
+      actions: write
     steps:
       - name: Keepalive
         uses: silverstripe/gha-keepalive@v1