diff --git a/ECOSYSTEM.md b/ECOSYSTEM.md
index e7743338..e15b5742 100644
--- a/ECOSYSTEM.md
+++ b/ECOSYSTEM.md
@@ -45,6 +45,7 @@ If your project isn't listed here and you would like it to be, please feel free
 - [socketioxide](https://github.com/totodore/socketioxide): An easy to use socket.io server implementation working as a `tower` layer/service. 
 - [axum-serde](https://github.com/gengteng/axum-serde): Provides multiple serde-based extractors / responses, also offers a macro to easily customize serde-based extractors / responses.
 - [loco.rs](https://github.com/loco-rs/loco): A full stack Web and API productivity framework similar to Rails, based on Axum.
+- [axum-test](https://crates.io/crates/axum-test): High level library for writing Cargo tests that run against Axum.
 
 ## Project showcase