diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index a69e424d2b..74c4c4a31a 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -133,7 +133,7 @@ builds:
 
 ### Write code
 
-[See guidelines](guidelines.md).
+[See guidelines](https://typelevel.org/cats/guidelines.html).
 
 ### Attributions