diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index f8c4715d..fd394013 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -7,7 +7,7 @@ on:
   pull_request:
     branches: [main, master]
   schedule:
-    - cron: '0 6 * * 1'
+    - cron: '0 6 1 * *'
 
 # Estate guardrail: cancel superseded runs so re-pushes / rebased PR
 # updates do not pile up queued runs against the shared account-wide
diff --git a/affinescript-vite/.github/workflows/codeql.yml b/affinescript-vite/.github/workflows/codeql.yml
index 03baadb4..8525011c 100644
--- a/affinescript-vite/.github/workflows/codeql.yml
+++ b/affinescript-vite/.github/workflows/codeql.yml
@@ -7,7 +7,7 @@ on:
   pull_request:
     branches: [main, master]
   schedule:
-    - cron: '0 6 * * 1'
+    - cron: '0 6 1 * *'
 
 permissions:
   contents: read
diff --git a/affinescriptiser/.github/workflows/codeql.yml b/affinescriptiser/.github/workflows/codeql.yml
index 03baadb4..8525011c 100644
--- a/affinescriptiser/.github/workflows/codeql.yml
+++ b/affinescriptiser/.github/workflows/codeql.yml
@@ -7,7 +7,7 @@ on:
   pull_request:
     branches: [main, master]
   schedule:
-    - cron: '0 6 * * 1'
+    - cron: '0 6 1 * *'
 
 permissions:
   contents: read