diff --git a/CHANGELOG.md b/CHANGELOG.md
index 36a1893..c010e23 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@
     Note: `WriteBufferFull` returns the message that could not be written as a `Message::Frame`.
 - Add ability to buffer multiple writes before writing to the underlying stream, controlled by
   `WebSocketConfig::write_buffer_size` (default 128 KiB). Improves batch message write performance.
+- Panic on receiving invalid `WebSocketConfig`.
 
 # 0.19.0