diff --git a/CHANGELOG.md b/CHANGELOG.md
index bca4c13ee..18dafd7f1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -99,6 +99,7 @@
 - Hide `DcSecretKey` trait from the API.
 - Verified 1:1 chats ([#4315](https://github.com/deltachat/deltachat-core-rust/pull/4315)). Disabled by default, enable with `verified_one_on_one_chats` config.
 - Add api `chat::Chat::is_protection_broken`
+- Add `dc_chat_is_protection_broken()` C API.
 
 ### CI