diff --git a/ci/Jenkinsfile.e2e b/ci/Jenkinsfile.e2e
index c353eb9d98..e49d453cfa 100644
--- a/ci/Jenkinsfile.e2e
+++ b/ci/Jenkinsfile.e2e
@@ -34,7 +34,7 @@ pipeline {
       throttleEnabled: true,
       throttleOption: 'category',
       maxConcurrentPerNode: 1,
-      maxConcurrentTotal: 1
+      maxConcurrentTotal: 10
     )
     /* Abort old PR builds. */
     disableConcurrentBuilds(