diff --git a/experiments/pod-cpu-hog/experiment.yaml b/experiments/pod-cpu-hog/experiment.yaml
index 4f1dbf88a..a92789eee 100644
--- a/experiments/pod-cpu-hog/experiment.yaml
+++ b/experiments/pod-cpu-hog/experiment.yaml
@@ -4,8 +4,10 @@ metadata:
   name: argowf-chaos-pod-cpu-hog
   namespace: litmus
   labels:
-    subject: "{{workflow.parameters.appNamespace}}_kube-proxy"
 spec:
+  workflowMetadata:
+    labels:
+      subject: "{{workflow.parameters.appNamespace}}_kube-proxy"
   entrypoint: argowf-chaos
   serviceAccountName: argo-chaos
   securityContext:
diff --git a/experiments/pod-cpu-hog/experiment_cron.yaml b/experiments/pod-cpu-hog/experiment_cron.yaml
index 1c16de6c9..26a4473b5 100644
--- a/experiments/pod-cpu-hog/experiment_cron.yaml
+++ b/experiments/pod-cpu-hog/experiment_cron.yaml
@@ -4,8 +4,10 @@ metadata:
   name: argo-chaos-pod-cpu-cron-wf
   namespace: litmus
   labels:
-    subject: "{{workflow.parameters.appNamespace}}_kube-proxy"
 spec:
+  workflowMetadata:
+    labels:
+      subject: "{{workflow.parameters.appNamespace}}_kube-proxy"
   schedule: "0 * * * *"
   concurrencyPolicy: "Forbid"
   startingDeadlineSeconds: 0
diff --git a/experiments/pod-delete/experiment.yaml b/experiments/pod-delete/experiment.yaml
index e36d6ae50..41ab9574a 100644
--- a/experiments/pod-delete/experiment.yaml
+++ b/experiments/pod-delete/experiment.yaml
@@ -4,8 +4,10 @@ metadata:
   name: argowf-chaos-pod-delete
   namespace: litmus
   labels:
-    subject: "{{workflow.parameters.appNamespace}}_kube-proxy"
 spec:
+  workflowMetadata:
+    labels:
+      subject: "{{workflow.parameters.appNamespace}}_kube-proxy"
   entrypoint: argowf-chaos
   serviceAccountName: argo-chaos
   securityContext:
diff --git a/experiments/pod-delete/experiment_cron.yaml b/experiments/pod-delete/experiment_cron.yaml
index df0f0ed06..ba004f875 100644
--- a/experiments/pod-delete/experiment_cron.yaml
+++ b/experiments/pod-delete/experiment_cron.yaml
@@ -4,8 +4,10 @@ metadata:
   name: argo-chaos-pod-delete-cron-wf
   namespace: litmus
   labels:
-    subject: "{{workflow.parameters.appNamespace}}_kube-proxy"
 spec:
+  workflowMetadata:
+    labels:
+      subject: "{{workflow.parameters.appNamespace}}_kube-proxy"
   schedule: "0 * * * *"
   concurrencyPolicy: "Forbid"
   startingDeadlineSeconds: 0
diff --git a/experiments/pod-memory-hog/experiment.yaml b/experiments/pod-memory-hog/experiment.yaml
index c2f798c46..5e627e654 100644
--- a/experiments/pod-memory-hog/experiment.yaml
+++ b/experiments/pod-memory-hog/experiment.yaml
@@ -4,8 +4,10 @@ metadata:
   name: argowf-chaos-pod-memory-hog
   namespace: litmus
   labels:
-    subject: "{{workflow.parameters.appNamespace}}_kube-proxy"
 spec:
+  workflowMetadata:
+    labels:
+      subject: "{{workflow.parameters.appNamespace}}_kube-proxy"
   entrypoint: argowf-chaos
   serviceAccountName: argo-chaos
   securityContext:
diff --git a/experiments/pod-memory-hog/experiment_cron.yaml b/experiments/pod-memory-hog/experiment_cron.yaml
index a5a66f1f9..ec3669df6 100644
--- a/experiments/pod-memory-hog/experiment_cron.yaml
+++ b/experiments/pod-memory-hog/experiment_cron.yaml
@@ -4,8 +4,10 @@ metadata:
   name: argo-chaos-pod-memory-cron-wf
   namespace: litmus
   labels:
-    subject: "{{workflow.parameters.appNamespace}}_kube-proxy"
 spec:
+  workflowMetadata:
+    labels:
+      subject: "{{workflow.parameters.appNamespace}}_kube-proxy"
   schedule: "0 * * * *"
   concurrencyPolicy: "Forbid"
   startingDeadlineSeconds: 0