diff --git a/redisson-tomcat/README.md b/redisson-tomcat/README.md
index 72bb66f5b..85e3824b4 100644
--- a/redisson-tomcat/README.md
+++ b/redisson-tomcat/README.md
@@ -3,7 +3,7 @@ Redis based Tomcat Session Manager
 
 Stores session of Apache Tomcat in Redis and allows to distribute requests across a cluster of Tomcat servers. Implements non-sticky session management backed by Redis.  
 
-Supports Apache Tomcat 6.x, 7.x, 8.x
+Supports Apache Tomcat 6.x, 7.x, 8.x, 9.x
 
 Advantages
 ===