diff --git a/README.md b/README.md
index e7fc5289..1d6c528b 100644
--- a/README.md
+++ b/README.md
@@ -49,6 +49,12 @@ And DIVA screenshot will be save in data folder.
 
 ### Changelog:
 
+v0.021: **[This will do database update]**
+
+Update to Spring Boot 2.5
+
+[maimai2] Experimental Splash Plus Support
+
 v0.020a:
 
 [chuni] Add game data: chara, skill, event, music, music level
diff --git a/pom.xml b/pom.xml
index a2c28113..6124dbeb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
     </parent>
     <groupId>icu.samnya</groupId>
     <artifactId>aqua</artifactId>
-    <version>0.0.20a-RELEASE</version>
+    <version>0.0.21-RELEASE</version>
     <name>Aqua Server</name>
     <description>A multipurpose game server</description>