diff --git a/README.md b/README.md
index 36408ec..3c69017 100644
--- a/README.md
+++ b/README.md
@@ -404,6 +404,8 @@ immediately remove the link in question.
 Upstream
 --------
 
+[rsc.eworm.de](https://rsc.eworm.de/)
+
 [![upstream](general/qr-code.png)](https://rsc.eworm.de/)
 
 URL: