diff --git a/fep/8fcf/fep-8fcf.md b/fep/8fcf/fep-8fcf.md
index d36d089..9340448 100644
--- a/fep/8fcf/fep-8fcf.md
+++ b/fep/8fcf/fep-8fcf.md
@@ -157,7 +157,9 @@ server, the receiving end:
 
 ## Implementations
 
-This proposal is implemented by Mastodon since the following Pull Request: https://github.com/tootsuite/mastodon/pull/14510
+- [Implemented by Mastodon](https://github.com/tootsuite/mastodon/pull/14510) since v3.3.0
+- [Implemented by Fedify](https://fedify.dev/manual/send#followers-collection-synchronization) since Fedify 0.8.0, made optional in Fedify 1.5.0
+- [Implemented by Tootik](https://github.com/dimkr/tootik/blob/0.18.0/FEDERATION.md#followers-synchronization)
 
 ## References