diff --git a/v1.0/v1.0/inline-js.cwl b/v1.0/v1.0/inline-js.cwl
index 2460a063d..fd4c20f2d 100755
--- a/v1.0/v1.0/inline-js.cwl
+++ b/v1.0/v1.0/inline-js.cwl
@@ -4,6 +4,9 @@ baseCommand: echo
 
 requirements:
   - class: InlineJavascriptRequirement
+hints:
+  - class: DockerRequirement
+    dockerPull: python:2-slim
 
 inputs:
   - id: args.py