Update CHANGELOG.md

dasch · web-flow · commit ef7633effced · 2017-12-20T15:59:28.000+01:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -8,6 +8,7 @@ Changes and additions to the library will be listed here.
 - Mark `Client#fetch_messages` as stable.
 - Fix the list topics API (#508).
 - Add support for LZ4 compression (#499).
+- Refactor compression codec lookup (#509).
 
 ## v0.5.1
 
