diff --git a/Jenkinsfile b/Jenkinsfile
index 33ccd1fa2d534..6b23af6a93635 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -41,7 +41,8 @@ pipeline {
         throttleJobProperty(
           categories: ['camel'],
           throttleEnabled: true,
-          throttleOption: 'category'
+          throttleOption: 'category',
+          maxConcurrentPerNode: 1
       )
 
         // This is required if you want to clean before build
diff --git a/Jenkinsfile.jdk26 b/Jenkinsfile.jdk26
index 201e157efca91..26bdeb1ea85e2 100644
--- a/Jenkinsfile.jdk26
+++ b/Jenkinsfile.jdk26
@@ -46,7 +46,8 @@ pipeline {
         throttleJobProperty(
           categories: ['camel'],
           throttleEnabled: true,
-          throttleOption: 'category'
+          throttleOption: 'category',
+          maxConcurrentPerNode: 1
       )
 
         // This is required if you want to clean before build