diff --git a/automation/Jenkinsfile b/automation/Jenkinsfile
index 300a7749..fe79dc73 100644
--- a/automation/Jenkinsfile
+++ b/automation/Jenkinsfile
@@ -20,7 +20,7 @@ pipeline {
             steps {
                 dir(BUILDDIR_Q7) {
                     sh 'cmake -DTGT_BSP="arm/q7s" -DCMAKE_BUILD_TYPE=Debug ..'
-                    sh 'cmake --build . -j'
+                    sh 'cmake --build . -j4'
                 }
             }
         }
@@ -28,7 +28,7 @@ pipeline {
             steps {
                 dir(BUILDDIR_LINUX) {
                     sh 'cmake ..'
-                    sh 'cmake --build . -t eive-unittest -j'
+                    sh 'cmake --build . -t eive-unittest -j4'
                     sh './eive-unittest'
                 }
             }