diff --git a/Jenkinsfile b/Jenkinsfile
index 7dec810475..019ee16d9f 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -10,7 +10,7 @@ pipeline {
 	}
 	tools {
 		maven 'apache-maven-latest'
-		jdk 'temurin-jdk17-latest'
+		jdk 'temurin-jdk21-latest'
 	}
 	stages {
 		stage('Build') {
diff --git a/org.eclipse.pde.doc.user/forceQualifierUpdate.txt b/org.eclipse.pde.doc.user/forceQualifierUpdate.txt
index e69de29bb2..9163a94e1f 100644
--- a/org.eclipse.pde.doc.user/forceQualifierUpdate.txt
+++ b/org.eclipse.pde.doc.user/forceQualifierUpdate.txt
@@ -0,0 +1 @@
+Rebuild with Java 21
\ No newline at end of file