diff --git a/README.md b/README.md
index b217250fd62be3255ebb871d34bd5f1c04330fd2..d9701c396f141899968888ee49b383eaff939f49 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,7 @@ Core plumbing to make text or binary document parsers with Data Oriented Design
 ## Used by
 
 - https://github.com/nektro/zig-json
+- https://github.com/nektro/zig-webidl
 
 ## License