diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 129188e..7e551e2 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 * *'
 
 permissions:
   contents: read
diff --git a/czech-file-knife/.github/workflows/codeql.yml b/czech-file-knife/.github/workflows/codeql.yml
index e79557f..86ca259 100644
--- a/czech-file-knife/.github/workflows/codeql.yml
+++ b/czech-file-knife/.github/workflows/codeql.yml
@@ -7,7 +7,7 @@ on:
   pull_request:
     branches: [main, master]
   schedule:
-    - cron: '0 6 * * 1'
+    - cron: '0 6 1 * *'
 
 permissions: read-all
 
diff --git a/emergency-button/.github/workflows/codeql.yml b/emergency-button/.github/workflows/codeql.yml
index 50b98c8..91b7e41 100644
--- a/emergency-button/.github/workflows/codeql.yml
+++ b/emergency-button/.github/workflows/codeql.yml
@@ -7,7 +7,7 @@ on:
   pull_request:
     branches: [main, master]
   schedule:
-    - cron: '0 6 * * 1'
+    - cron: '0 6 1 * *'
 
 permissions: read-all
 
diff --git a/monitoring/systems-observatory/.github/workflows/codeql.yml b/monitoring/systems-observatory/.github/workflows/codeql.yml
index dfcf777..7568cae 100644
--- a/monitoring/systems-observatory/.github/workflows/codeql.yml
+++ b/monitoring/systems-observatory/.github/workflows/codeql.yml
@@ -7,7 +7,7 @@ on:
   pull_request:
     branches: [main, master]
   schedule:
-    - cron: '0 6 * * 1'
+    - cron: '0 6 1 * *'
 
 permissions: read-all
 
diff --git a/nano-aider/.github/workflows/codeql.yml b/nano-aider/.github/workflows/codeql.yml
index 23e0179..9f53ead 100644
--- a/nano-aider/.github/workflows/codeql.yml
+++ b/nano-aider/.github/workflows/codeql.yml
@@ -7,7 +7,7 @@ on:
   pull_request:
     branches: [main, master]
   schedule:
-    - cron: '0 6 * * 1'
+    - cron: '0 6 1 * *'
 
 permissions: read-all
 
diff --git a/personal-sysadmin/.github/workflows/codeql.yml b/personal-sysadmin/.github/workflows/codeql.yml
index 11a9a14..05a1143 100644
--- a/personal-sysadmin/.github/workflows/codeql.yml
+++ b/personal-sysadmin/.github/workflows/codeql.yml
@@ -7,7 +7,7 @@ on:
   pull_request:
     branches: [main, master]
   schedule:
-    - cron: '0 6 * * 1'
+    - cron: '0 6 1 * *'
 
 permissions: read-all
 
diff --git a/total-update/.github/workflows/codeql.yml b/total-update/.github/workflows/codeql.yml
index 23e0179..9f53ead 100644
--- a/total-update/.github/workflows/codeql.yml
+++ b/total-update/.github/workflows/codeql.yml
@@ -7,7 +7,7 @@ on:
   pull_request:
     branches: [main, master]
   schedule:
-    - cron: '0 6 * * 1'
+    - cron: '0 6 1 * *'
 
 permissions: read-all