diff --git a/zoo_argowf_runner/cwl2argo.py b/zoo_argowf_runner/cwl2argo.py
index 96bdf26..dd29e53 100644
--- a/zoo_argowf_runner/cwl2argo.py
+++ b/zoo_argowf_runner/cwl2argo.py
@@ -171,7 +171,7 @@ def cwl_to_argo(
                 {"name": "workflow", "path": "/tmp/cwl_workflow.json"},
             ],
             script=ScriptTemplate(
-                image="docker.io/library/prepare:0.1",
+                image="docker.io/library/python:3.9",
                 resources=ResourceRequirements(
                     requests={"memory": Quantity(__root__="1Gi"), "cpu": int(1)}
                 ),