diff --git a/config/samples/k8s/mmsys-test-encode/job-task-mmsys-test-encode-baseline-simple.yaml b/config/samples/k8s/mmsys-test-encode/job-task-mmsys-test-encode-baseline-simple.yaml
index 85e7843..cfdc7ff 100644
--- a/config/samples/k8s/mmsys-test-encode/job-task-mmsys-test-encode-baseline-simple.yaml
+++ b/config/samples/k8s/mmsys-test-encode/job-task-mmsys-test-encode-baseline-simple.yaml
@@ -17,6 +17,9 @@ spec:
     spec:
       restartPolicy: Never # recreate pod by job controller
       terminationGracePeriodSeconds: 35
+      securityContext:
+        runAsUser: 0
+        runAsGroup: 0
       containers:
         - name: function
           imagePullPolicy: Always
diff --git a/config/samples/k8s/mmsys-test-encode/job-task-mmsys-test-encode-baseline-split-merge.yaml b/config/samples/k8s/mmsys-test-encode/job-task-mmsys-test-encode-baseline-split-merge.yaml
index 77f4b2f..d2ca33d 100644
--- a/config/samples/k8s/mmsys-test-encode/job-task-mmsys-test-encode-baseline-split-merge.yaml
+++ b/config/samples/k8s/mmsys-test-encode/job-task-mmsys-test-encode-baseline-split-merge.yaml
@@ -17,6 +17,9 @@ spec:
     spec:
       restartPolicy: Never # recreate pod by job controller
       terminationGracePeriodSeconds: 35
+      securityContext:
+        runAsUser: 0
+        runAsGroup: 0
       containers:
         - name: function
           imagePullPolicy: Always
diff --git a/config/samples/k8s/mmsys-test-encode/job-task-mmsys-test-encode-test-no-recovery-simple.yaml b/config/samples/k8s/mmsys-test-encode/job-task-mmsys-test-encode-test-no-recovery-simple.yaml
index 32b0d2d..cabba23 100644
--- a/config/samples/k8s/mmsys-test-encode/job-task-mmsys-test-encode-test-no-recovery-simple.yaml
+++ b/config/samples/k8s/mmsys-test-encode/job-task-mmsys-test-encode-test-no-recovery-simple.yaml
@@ -17,6 +17,9 @@ spec:
     spec:
       restartPolicy: Never # recreate pod by job controller
       terminationGracePeriodSeconds: 35
+      securityContext:
+        runAsUser: 0
+        runAsGroup: 0
       containers:
         - name: function
           imagePullPolicy: Always
diff --git a/config/samples/k8s/mmsys-test-encode/job-task-mmsys-test-encode-test-no-recovery-split-merge.yaml b/config/samples/k8s/mmsys-test-encode/job-task-mmsys-test-encode-test-no-recovery-split-merge.yaml
index 6abe4b9..6b45c34 100644
--- a/config/samples/k8s/mmsys-test-encode/job-task-mmsys-test-encode-test-no-recovery-split-merge.yaml
+++ b/config/samples/k8s/mmsys-test-encode/job-task-mmsys-test-encode-test-no-recovery-split-merge.yaml
@@ -17,6 +17,9 @@ spec:
     spec:
       restartPolicy: Never # recreate pod by job controller
       terminationGracePeriodSeconds: 35
+      securityContext:
+        runAsUser: 0
+        runAsGroup: 0
       containers:
         - name: function
           imagePullPolicy: Always
diff --git a/config/samples/k8s/mmsys-test-encode/job-task-mmsys-test-encode-test-recovery-split-merge.yaml b/config/samples/k8s/mmsys-test-encode/job-task-mmsys-test-encode-test-recovery-split-merge.yaml
index 50932fc..df6b434 100644
--- a/config/samples/k8s/mmsys-test-encode/job-task-mmsys-test-encode-test-recovery-split-merge.yaml
+++ b/config/samples/k8s/mmsys-test-encode/job-task-mmsys-test-encode-test-recovery-split-merge.yaml
@@ -17,6 +17,9 @@ spec:
     spec:
       restartPolicy: Never # recreate pod by job controller
       terminationGracePeriodSeconds: 35
+      securityContext:
+        runAsUser: 0
+        runAsGroup: 0
       containers:
         - name: function
           imagePullPolicy: Always