diff --git a/Jenkinsfile b/Jenkinsfile
index eed94b2d..f2708df3 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -2,6 +2,7 @@
 
 /* `buildPlugin` step provided by: https://github.com/jenkins-infra/pipeline-library */
 buildPlugin(useContainerAgent: true, configurations: [
+  [platform: 'linux',   jdk: 21], // Linux first for coverage report on ci.jenkins.io
   [platform: 'linux', jdk: 17],
   [platform: 'windows', jdk: 11],
 ])