diff --git a/charts/generic/container-kill/experiment.yaml b/charts/generic/container-kill/experiment.yaml
index 3ed1d52..cdea359 100644
--- a/charts/generic/container-kill/experiment.yaml
+++ b/charts/generic/container-kill/experiment.yaml
@@ -40,8 +40,9 @@ spec:
     - name: TARGET_CONTAINER
       value: ''
 
+    # It only supported pumba
     - name: LIB
-      value: ''
+      value: 'pumba'
 
     # provide lib image
     - name: LIB_IMAGE