diff --git a/README.md b/README.md
index 8a975971..8ab45c87 100644
--- a/README.md
+++ b/README.md
@@ -273,6 +273,7 @@ Here are some repos that use cibuildwheel.
 
 - [pyinstrument_cext](https://github.com/joerick/pyinstrument_cext)
 - [websockets](https://github.com/aaugustin/websockets)
+- [Parselmouth](https://github.com/YannickJadoul/Parselmouth)
 
 > Add repo here! Send a PR.