diff --git a/README.md b/README.md
index 700c018..f7509d2 100644
--- a/README.md
+++ b/README.md
@@ -90,3 +90,4 @@ https://github.com/twitter/scrooge/issues/222
 
 https://github.com/zenparsing/es-observable/pull/97
 
+https://github.com/nodejs/readable-stream/pull/238