diff --git a/jenkins/spack-PR b/jenkins/spack-PR
index 6a4c7ef9bf..11c38900cc 100644
--- a/jenkins/spack-PR
+++ b/jenkins/spack-PR
@@ -20,6 +20,10 @@ def map_srun = [
 
 pipeline {
     agent none
+    options{
+        timeout(time: 3, unit: 'HOURS')
+        disableConcurrentBuilds() 
+    }
     stages {
         stage('Tests') {
             matrix {
diff --git a/jenkins/spack-PR-stable b/jenkins/spack-PR-stable
index f1c72b13e0..3aa6c43694 100644
--- a/jenkins/spack-PR-stable
+++ b/jenkins/spack-PR-stable
@@ -20,6 +20,10 @@ def map_srun = [
 
 pipeline {
     agent none
+    options{
+        timeout(time: 3, unit: 'HOURS')
+        disableConcurrentBuilds() 
+    }
     stages {
         stage('Tests') {
             matrix {