diff --git a/compress_pipeline.cwl b/compress_pipeline.cwl
index e82c8f3c1b113802a53f68d84ab832b1d985587e..3c1e99e2f1abaa683e27e4164b05b7741bdc5743 100644
--- a/compress_pipeline.cwl
+++ b/compress_pipeline.cwl
@@ -109,3 +109,4 @@ steps:
 requirements:
   - class: ScatterFeatureRequirement
   - class: StepInputExpressionRequirement
+  - class: InlineJavascriptRequirement