diff --git a/packages/aggregation/README.md b/packages/aggregation/README.md
index ab6a495..1784aca 100644
--- a/packages/aggregation/README.md
+++ b/packages/aggregation/README.md
@@ -10,6 +10,7 @@ For an introduction to different aggregation methods, see Jaime Sevilla's [Aggre
 
 - vanilla javascript
 - [Best readme template](https://github.com/othneildrew/Best-README-Template)
+- [lerna](https://github.com/lerna/lerna)
 
 ## Getting started