diff --git a/releng/org.eclipse.equinox.releng/Equinox.setup b/releng/org.eclipse.equinox.releng/Equinox.setup
index 968d5d7e08..db0f5d2a04 100644
--- a/releng/org.eclipse.equinox.releng/Equinox.setup
+++ b/releng/org.eclipse.equinox.releng/Equinox.setup
@@ -89,8 +89,8 @@
       storageURI="scope://Workspace"/>
   <setupTask
       xsi:type="jdt:JRETask"
-      version="JavaSE-17"
-      location="${jre.location-17}"/>
+      version="JavaSE-21"
+      location="${jre.location-21}"/>
   <setupTask
       xsi:type="setup.targlets:TargletTask"
       targetName="Modular API Baseline Target"