diff --git a/doc/maintainers.rdoc b/doc/maintainers.rdoc
index 64510b2559..fbd0ed8ebf 100644
--- a/doc/maintainers.rdoc
+++ b/doc/maintainers.rdoc
@@ -175,7 +175,7 @@ Yukihiro Matsumoto (matz)
   https://github.com/ruby/net-pop
   https://rubygems.org/gems/net-pop
 [lib/net/smtp.rb]
-  _unmaintained_
+  TOMITA Masahiro (tmtm)
   https://github.com/ruby/net-smtp
   https://rubygems.org/gems/net-smtp
 [lib/net/protocol.rb]