diff --git a/.github/workflows/dispatch-ci.yml b/.github/workflows/dispatch-ci.yml
index c2c21fe..7b511a1 100644
--- a/.github/workflows/dispatch-ci.yml
+++ b/.github/workflows/dispatch-ci.yml
@@ -1,9 +1,11 @@
 name: Dispatch CI
 
 on:
-  # At 12:10 PM UTC, only on Sunday and Monday
+  # At 3:15 PM UTC, only on Thursday and Friday
   schedule:
-    - cron: '10 12 * * 0,1'
+    - cron: '15 15 * * 4,5'
+
+permissions: {}
 
 jobs:
   dispatch-ci:
@@ -11,6 +13,9 @@ jobs:
     # Only run cron on the symbiote account
     if: (github.event_name == 'schedule' && github.repository_owner == 'symbiote') || (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 f2ba3ba..5431926 100644
--- a/.github/workflows/keepalive.yml
+++ b/.github/workflows/keepalive.yml
@@ -1,17 +1,21 @@
 name: Keepalive
 
 on:
-  # At 1:05 PM UTC, on day 22 of the month
+  # At 3:15 PM UTC, on day 12 of the month
   schedule:
-    - cron: '5 13 22 * *'
+    - cron: '15 15 12 * *'
   workflow_dispatch:
 
+permissions: {}
+
 jobs:
   keepalive:
     name: Keepalive
     # Only run cron on the symbiote account
     if: (github.event_name == 'schedule' && github.repository_owner == 'symbiote') || (github.event_name != 'schedule')
     runs-on: ubuntu-latest
+    permissions:
+      actions: write
     steps:
       - name: Keepalive
         uses: silverstripe/gha-keepalive@v1