diff --git a/.github/workflows/dispatch-ci.yml b/.github/workflows/dispatch-ci.yml
index 3af7f069..baf990fc 100644
--- a/.github/workflows/dispatch-ci.yml
+++ b/.github/workflows/dispatch-ci.yml
@@ -1,9 +1,11 @@
 name: Dispatch CI
 
 on:
-  # At 2:10 PM UTC, only on Sunday and Monday
+  # At 8:40 AM UTC, only on Friday and Saturday
   schedule:
-    - cron: '10 14 * * 0,1'
+    - cron: '40 8 * * 5,6'
+
+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 6a783b1d..958ed451 100644
--- a/.github/workflows/keepalive.yml
+++ b/.github/workflows/keepalive.yml
@@ -1,10 +1,12 @@
 name: Keepalive
 
 on:
-  workflow_dispatch:
-  # The 8th of every month at 2:50pm UTC
+  # At 5:25 AM UTC, on day 6 of the month
   schedule:
-    - cron: '50 14 8 * *'
+    - cron: '25 5 6 * *'
+  workflow_dispatch:
+
+permissions: {}
 
 jobs:
   keepalive:
@@ -12,6 +14,8 @@ 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:
+      actions: write
     steps:
       - name: Keepalive
         uses: silverstripe/gha-keepalive@v1
diff --git a/.github/workflows/merge-up.yml b/.github/workflows/merge-up.yml
index 169bec61..46fc61d9 100644
--- a/.github/workflows/merge-up.yml
+++ b/.github/workflows/merge-up.yml
@@ -1,17 +1,22 @@
 name: Merge-up
 
 on:
-  # At 2:20 PM UTC, only on Saturday
+  # At 8:40 AM UTC, only on Tuesday
   schedule:
-    - cron: '20 14 * * 6'
+    - cron: '40 8 * * 2'
   workflow_dispatch:
 
+permissions: {}
+
 jobs:
   merge-up:
     name: Merge-up
     # 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: write
+      actions: write
     steps:
       - name: Merge-up
         uses: silverstripe/gha-merge-up@v1