diff --git a/CHANGELOG.md b/CHANGELOG.md
index f421d20..b32c6e2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@
 - Remove `libera.chat` as a default since their rooms are not accessible in the archive, https://github.com/matrix-org/matrix-public-archive/pull/263
 - Add reason why the archive bot is joining the room, https://github.com/matrix-org/matrix-public-archive/pull/262
 - Add `/faq` redirect, https://github.com/matrix-org/matrix-public-archive/pull/265
+- Use `rel=canonical` link to de-duplicate event permalinks, https://github.com/matrix-org/matrix-public-archive/pull/266
 
 # 0.1.0 - 2023-05-11