diff --git a/CHANGES.md b/CHANGES.md
index 2e93f434019..74d22cba016 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -4,7 +4,7 @@ Libplanet changelog
 Version 3.9.6
 -------------
 
-To be released.
+Released on January 26, 2024.
 
  -  (Libplanet.Store) Optimized `TrieStateStore.CopyStates()` to greatly
     reduce the amount of memory used.  [[#3634]]