diff --git a/hiera/common.yaml b/hiera/common.yaml
index d817580cd5..f306f054e8 100644
--- a/hiera/common.yaml
+++ b/hiera/common.yaml
@@ -278,6 +278,7 @@ cacti_hosts:
 - mirror01.sjc1.vexxhost.opendev.org
 - mirror01.ca-ymq-1.vexxhost.openstack.org
 - mirror02.ca-ymq-1.vexxhost.openstack.org
+- mirror01.regionone.limestone.opendev.org
 - mirror02.regionone.limestone.openstack.org
 - mirror.bhs1.ovh.opendev.org
 - mirror.gra1.ovh.opendev.org
diff --git a/inventory/openstack.yaml b/inventory/openstack.yaml
index d292fb4279..b20b132217 100644
--- a/inventory/openstack.yaml
+++ b/inventory/openstack.yaml
@@ -515,6 +515,13 @@ all:
         region_name: DFW
       public_v4: 104.239.150.37
       public_v6: 2001:4800:7819:105:be76:4eff:fe04:9b8a
+    mirror01.regionone.limestone.opendev.org:
+      ansible_host: 2607:ff68:100:54:f816:3eff:feb5:4635
+      location:
+        cloud: openstackci-limestone
+        region_name: RegionOne
+      public_v4: 216.245.200.130
+      public_v6: 2607:ff68:100:54:f816:3eff:feb5:4635
     mirror02.regionone.limestone.openstack.org:
       ansible_host: 2607:ff68:100:54:f816:3eff:febd:b93
       location:
diff --git a/modules/openstack_project/files/ssl_cert_check/ssldomains b/modules/openstack_project/files/ssl_cert_check/ssldomains
index a5bbd9e0f0..61c6dc421c 100644
--- a/modules/openstack_project/files/ssl_cert_check/ssldomains
+++ b/modules/openstack_project/files/ssl_cert_check/ssldomains
@@ -38,6 +38,7 @@ mirror.regionone.linaro-us.opendev.org 443
 mirror.us-east.openedge.opendev.org 443
 mirror.sjc1.vexxhost.opendev.org 443
 mirror.ca-ymq-1.vexxhost.opendev.org 443
+mirror.regionone.limestone.opendev.org 443
 nova.openstack.org 443
 opendev.org 443
 openstackid-dev.openstack.org 443
diff --git a/playbooks/host_vars/mirror01.regionone.limestone.opendev.org b/playbooks/host_vars/mirror01.regionone.limestone.opendev.org
new file mode 100644
index 0000000000..f178ce82d2
--- /dev/null
+++ b/playbooks/host_vars/mirror01.regionone.limestone.opendev.org
@@ -0,0 +1,4 @@
+letsencrypt_certs:
+  mirror01-regionone-limestone-main:
+    - mirror01.regionone.limestone.opendev.org
+    - mirror.regionone.limestone.opendev.org
diff --git a/playbooks/roles/letsencrypt-create-certs/handlers/main.yaml b/playbooks/roles/letsencrypt-create-certs/handlers/main.yaml
index 44aa5862de..2c2a79a687 100644
--- a/playbooks/roles/letsencrypt-create-certs/handlers/main.yaml
+++ b/playbooks/roles/letsencrypt-create-certs/handlers/main.yaml
@@ -175,6 +175,9 @@
 - name: letsencrypt updated mirror01-ca-ymq-1-vexxhost-main
   include_tasks: roles/letsencrypt-create-certs/handlers/restart_apache.yaml
 
+- name: letsencrypt updated mirror01-regionone-limestone-main
+  include_tasks: roles/letsencrypt-create-certs/handlers/restart_apache.yaml
+
 # Gate testing hosts:
 - name: letsencrypt updated letsencrypt01-main-service
   include_tasks: roles/letsencrypt-create-certs/handlers/touch_file.yaml