diff --git a/jjb/pipeline/siab-test.groovy b/jjb/pipeline/siab-test.groovy
index 98198ba..38774c0 100644
--- a/jjb/pipeline/siab-test.groovy
+++ b/jjb/pipeline/siab-test.groovy
@@ -5,6 +5,9 @@
   /* no label, executor is determined by JJB */
   agent {
     label "${params.executorNode}"
+    options {
+        timeout(time: 1, unit: 'HOURS')
+    }
   }
 
   stages {
diff --git a/jjb/pipeline/siab.groovy b/jjb/pipeline/siab.groovy
index 7e839a2..06d40c9 100644
--- a/jjb/pipeline/siab.groovy
+++ b/jjb/pipeline/siab.groovy
@@ -5,6 +5,9 @@
   /* no label, executor is determined by JJB */
   agent {
     label "${params.executorNode}"
+    options {
+        timeout(time: 1, unit: 'HOURS')
+    }
   }
 
   stages {