diff --git a/CHANGELOG.md b/CHANGELOG.md
index 902eeb2..d30e2c2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,6 +19,7 @@ New
 
 Changes
 ~~~~~~~
+- Add donation button #4. [Lang]
 - Protect the gameplay with recaptcha #4. [Lang]
 - The waiting dialog is uncloseable until the time is up #4. [Lang]
 - Add share button to the overlay when the game ends #4. [Lang]