diff --git a/README.md b/README.md
index b97f53f54..7062b5e0b 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@
 [Quick start](https://github.com/redisson/redisson#quick-start) | [Documentation](https://github.com/redisson/redisson/wiki/Table-of-Content) | [Changelog](https://github.com/redisson/redisson/blob/master/CHANGELOG.md) | [Code examples](https://github.com/redisson/redisson-examples) | [FAQs](https://github.com/redisson/redisson/wiki/16.-FAQ) | [Report an issue](https://github.com/redisson/redisson/issues/new)
 
 Based on high-performance async and lock-free Java Redis client and [Netty](http://netty.io) framework.  
-Supported JDK:   1.8 ... 20 and Android  
+Supported JDK:   1.8 ... 21 and Android  
 Supported Redis: 3.0 ... 7.2  
 
 ## Features