diff --git a/packages/api/src/utils/usernamePolicy.ts b/packages/api/src/utils/usernamePolicy.ts
index 853be928a..a17a17bfc 100644
--- a/packages/api/src/utils/usernamePolicy.ts
+++ b/packages/api/src/utils/usernamePolicy.ts
@@ -60,6 +60,7 @@ const RESERVED_NAMES = new Set([
   'follow',
   'followers',
   'following',
+  'for',
   'friend',
   'friends',
   'gist',
@@ -140,6 +141,7 @@ const RESERVED_NAMES = new Set([
   'sysadministrator',
   'terms',
   'tour',
+  'tools',
   'translations',
   'trends',
   'unfollow',