diff --git a/experiments/pod-cpu-hog/experiment.yaml b/experiments/pod-cpu-hog/experiment.yaml
index c6f79f0de..5fb481e49 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 4b55ed834..957839735 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 97beaf9af..f994e0bb3 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 838b8149e..e2e1e19c2 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 8618698f4..a7a99659c 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 85b118abb..27228da56 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