diff --git a/MANIFEST b/MANIFEST
index 78af741762..a7d970a89b 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -352,6 +352,7 @@ lib/webrick/httputils.rb
 lib/webrick/httpversion.rb
 lib/webrick/log.rb
 lib/webrick/server.rb
+lib/webrick/ssl.rb
 lib/webrick/utils.rb
 lib/webrick/version.rb
 lib/webrick/compat.rb