diff --git a/dmz-compose.yml b/dmz-compose.yml
index 41a27df..b95c83b 100644
--- a/dmz-compose.yml
+++ b/dmz-compose.yml
@@ -2,7 +2,7 @@ version: "3"
 
 services:
   velocity:
-    image: eclipse-temurin:17
+    image: eclipse-temurin:21
     restart: always
     ports:
       - "25565:25565"