diff --git a/ruby.yaml b/ruby.yaml
index 9e27694..4bcc0d0 100644
--- a/ruby.yaml
+++ b/ruby.yaml
@@ -11,6 +11,7 @@ data:
         object-oriented programming.  It has many features to process text
         files and to do system management tasks (as in Perl).  It is simple,
         straight-forward, and extensible.
+    stream: 2.5
     license:
         module:
             - MIT