diff --git a/ansible/roles/k3s-install/files/k3s.service.env b/ansible/roles/k3s-install/files/k3s.service.env
new file mode 100644
index 00000000..6b8a65e9
--- /dev/null
+++ b/ansible/roles/k3s-install/files/k3s.service.env
@@ -0,0 +1 @@
+CATTLE_NEW_SIGNED_CERT_EXPIRATION_DAYS=1825
diff --git a/ansible/roles/k3s-install/tasks/main.yml b/ansible/roles/k3s-install/tasks/main.yml
index 3aaaea94..667f8c55 100644
--- a/ansible/roles/k3s-install/tasks/main.yml
+++ b/ansible/roles/k3s-install/tasks/main.yml
@@ -30,6 +30,11 @@
     src: "{{ role_path }}/files/multus-daemonset.yml"
     dest: /var/lib/rancher/k3s/server/manifests/
 
+- name: "copy k3s.service.env to destination"
+  copy:
+    src: "{{ role_path }}/files/k3s.service.env"
+    dest: /etc/systemd/system/k3s.service.env
+
 - name: "copy multus-cni.tar to destination"
   copy:
     src: "{{ role_path }}/files/multus-cni.tar"