diff --git a/charts/generic/experiments.yaml b/charts/generic/experiments.yaml
index 0b3ef47..598cf1f 100644
--- a/charts/generic/experiments.yaml
+++ b/charts/generic/experiments.yaml
@@ -1375,12 +1375,9 @@ spec:
     - name: RAMP_TIME
       value: ''
 
-    # It supports pumba and litmus
-    # pumba: for docker runtime
-    # litmus: for containerd/crio runtime
     - name: LIB
-      value: 'pumba'
-
+      value: 'litmus'
+      
     - name: TARGET_POD
       value: ''
 
@@ -1393,6 +1390,12 @@ spec:
     - name: CONTAINER_PATH
       value: '/run/containerd/containerd.sock'
 
+    # provide the name of container runtime
+    # it supports docker, containerd, crio
+    # default to docker
+    - name: CONTAINER_RUNTIME
+      value: 'docker'
+
     # provide the total chaos duration
     - name: TOTAL_CHAOS_DURATION
       value: '20'