Release 5.5.2

sky1045 · sky1045 · commit c6233b1e4d56 · 2025-09-15T18:55:30.000+09:00
diff --git a/CHANGES.md b/CHANGES.md
@@ -4,7 +4,7 @@ Libplanet changelog
 Version 5.5.2
 -------------
 
-To be released.
+Released on September 15, 2025.
 
 ### Optimize memory usage
 
