diff --git a/util/reserved.json b/util/reserved.json
index 05fa5b39e8..111a484638 100644
--- a/util/reserved.json
+++ b/util/reserved.json
@@ -7,7 +7,10 @@
     "account",
     "accounts",
     "admin",
+    "admin[1-99]",
+    "admins",
     "administrator",
+    "administrators",
     "alert",
     "alerts",
     "api",