diff --git a/draft/2025-04-02-this-week-in-rust.md b/draft/2025-04-02-this-week-in-rust.md
index 76c281316..68d1b41ff 100644
--- a/draft/2025-04-02-this-week-in-rust.md
+++ b/draft/2025-04-02-this-week-in-rust.md
@@ -41,6 +41,8 @@ and just ask the editors to select the category.
 
 ### Rust Walkthroughs
 
+* [Building a CoAP application on Ariel OS](https://christian.amsuess.com/blog/website/2025-03-27_ariel_coap/)
+
 ### Research
 
 ### Miscellaneous