diff --git a/ansible/playbook.yml b/ansible/playbook.yml
index 5613034..c989a15 100644
--- a/ansible/playbook.yml
+++ b/ansible/playbook.yml
@@ -180,8 +180,8 @@
         group: root
         mode: '0600'
         provider: selfsigned
-        selfsigned_not_before: 'now'
-        selfsigned_not_after: '+365d'
+        selfsigned_not_before: "20241104T000000Z"
+        selfsigned_not_after: "+365d"
 
     - name: Configure Nginx as HTTPS proxy
       copy: