diff --git a/packages/ui/certd-server/db/migration-mysql/v10043__cname_provider_subdomain.sql b/packages/ui/certd-server/db/migration-mysql/v10043__cname_provider_subdomain.sql
new file mode 100644
index 000000000..c8055420b
--- /dev/null
+++ b/packages/ui/certd-server/db/migration-mysql/v10043__cname_provider_subdomain.sql
@@ -0,0 +1 @@
+ALTER TABLE cd_cname_provider ADD COLUMN subdomain varchar(100);
diff --git a/packages/ui/certd-server/db/migration-pg/v10043__cname_provider_subdomain.sql b/packages/ui/certd-server/db/migration-pg/v10043__cname_provider_subdomain.sql
new file mode 100644
index 000000000..c8055420b
--- /dev/null
+++ b/packages/ui/certd-server/db/migration-pg/v10043__cname_provider_subdomain.sql
@@ -0,0 +1 @@
+ALTER TABLE cd_cname_provider ADD COLUMN subdomain varchar(100);