diff --git a/inventory/service/groups.yaml b/inventory/service/groups.yaml
index e98dfc4166..1e0461acd3 100644
--- a/inventory/service/groups.yaml
+++ b/inventory/service/groups.yaml
@@ -87,6 +87,7 @@ groups:
   letsencrypt:
     - codesearch[0-9]*.opendev.org
     - etherpad[0-9]*.opendev.org
+    - ethercalc[0-9]*.open*.org
     - gitea[0-9]*.opendev.org
     - graphite[0-9]*.opendev.org
     - grafana[0-9]*.opendev.org
diff --git a/inventory/service/host_vars/ethercalc02.openstack.org.yaml b/inventory/service/host_vars/ethercalc02.openstack.org.yaml
new file mode 100644
index 0000000000..0af31c876f
--- /dev/null
+++ b/inventory/service/host_vars/ethercalc02.openstack.org.yaml
@@ -0,0 +1,3 @@
+letsencrypt_certs:
+  ethercalc02-openstack-org-main:
+    - ethercalc.openstack.org
diff --git a/playbooks/roles/letsencrypt-create-certs/handlers/main.yaml b/playbooks/roles/letsencrypt-create-certs/handlers/main.yaml
index 7a276cd8f7..d04c4b65fe 100644
--- a/playbooks/roles/letsencrypt-create-certs/handlers/main.yaml
+++ b/playbooks/roles/letsencrypt-create-certs/handlers/main.yaml
@@ -231,6 +231,9 @@
 - name: letsencrypt updated etherpad01-opendev-org-main
   include_tasks: roles/letsencrypt-create-certs/handlers/restart_apache.yaml
 
+- name: letsencrypt updated ethercalc02-openstack-org-main
+  include_tasks: roles/letsencrypt-create-certs/handlers/restart_apache.yaml
+
 # We split out handlers for each gitea host as handlers should be run in order
 # This allows us to do a rolling restart of the gitea backends.
 - name: letsencrypt updated gitea01-main