diff --git a/charts/openebs/openebs-target-network-delay/experiment.yaml b/charts/openebs/openebs-target-network-delay/experiment.yaml
index 9b55744..087cdce 100644
--- a/charts/openebs/openebs-target-network-delay/experiment.yaml
+++ b/charts/openebs/openebs-target-network-delay/experiment.yaml
@@ -52,9 +52,9 @@ spec:
       value: ''
 
     # only pumba supported
-    # For pumba image use : gaiaadm/pumba:0.4.8
+    # For pumba image use : gaiaadm/pumba:0.6.5
     - name: LIB_IMAGE
-      value: 'gaiaadm/pumba:0.4.8' 
+      value: 'gaiaadm/pumba:0.6.5' 
 
     - name: NETWORK_DELAY
       value: '60000' # in milliseconds
diff --git a/charts/openebs/openebs-target-network-loss/experiment.yaml b/charts/openebs/openebs-target-network-loss/experiment.yaml
index 06d8cc8..0ab860e 100644
--- a/charts/openebs/openebs-target-network-loss/experiment.yaml
+++ b/charts/openebs/openebs-target-network-loss/experiment.yaml
@@ -52,9 +52,9 @@ spec:
       value: ''
 
     # only pumba supported
-    # For pumba image use : gaiaadm/pumba:0.4.8
+    # For pumba image use : gaiaadm/pumba:0.6.5
     - name: LIB_IMAGE  
-      value: 'gaiaadm/pumba:0.4.8' 
+      value: 'gaiaadm/pumba:0.6.5' 
 
     - name: NETWORK_PACKET_LOSS_PERCENTAGE
       value: '100' # in percentage