diff --git a/osm_nbi/validation.py b/osm_nbi/validation.py
index e5c2a03..4dafed5 100644
--- a/osm_nbi/validation.py
+++ b/osm_nbi/validation.py
@@ -35,6 +35,10 @@
     "pattern": "^[^,;()\\.\\$'\"]+$",
 }
 passwd_schema = {"type": "string", "minLength": 1, "maxLength": 60}
+user_passwd_schema = {
+    "type": "string",
+    "pattern": "^.*(?=.{8,})((?=.*[!@#$%^&*()\\-_=+{};:,<.>]){1})(?=.*\\d)((?=.*[a-z]){1})((?=.*[A-Z]){1}).*$",
+}
 name_schema = {
     "type": "string",
     "minLength": 1,
@@ -1082,7 +1086,7 @@
     "properties": {
         "username": string_schema,
         "domain_name": shortname_schema,
-        "password": passwd_schema,
+        "password": user_passwd_schema,
         "projects": nameshort_list_schema,
         "project_role_mappings": project_role_mappings,
     },
@@ -1094,13 +1098,16 @@
     "title": "User edit schema for administrators",
     "type": "object",
     "properties": {
-        "password": passwd_schema,
+        "password": user_passwd_schema,
         "old_password": passwd_schema,
         "username": string_schema,  # To allow User Name modification
         "projects": {"oneOf": [nameshort_list_schema, array_edition_schema]},
         "project_role_mappings": project_role_mappings,
         "add_project_role_mappings": project_role_mappings,
         "remove_project_role_mappings": project_role_mappings_optional,
+        "system_admin_id": id_schema,
+        "unlock": bool_schema,
+        "renew": bool_schema,
     },
     "minProperties": 1,
     "additionalProperties": False,