diff --git a/usrlocalpkg/admin/config b/usrlocalpkg/admin/config
index df4d86f..34989a2 100644
--- a/usrlocalpkg/admin/config
+++ b/usrlocalpkg/admin/config
@@ -1247,6 +1247,11 @@ jdk-17=openjdk-17.0.2.8-0
   java17=java
   javac17=javac
 
+openjdk-21.0.0.35-0
+jdk-21=openjdk-21.0.0.35-0
+  java21=java
+  javac21=javac
+
 inkscape-0.92.4-0
 	inkscape-0.92=inkscape
 	inkview-0.92=inkview