diff --git a/runs/FixedScriptResult/run.cwl b/runs/FixedScriptResult/run.cwl
index a631c4f85a37e08d3a2e632575613e1438f6471c..d246736368784b2dc3b953a78da1b71bfd96622c 100644
--- a/runs/FixedScriptResult/run.cwl
+++ b/runs/FixedScriptResult/run.cwl
@@ -2,7 +2,7 @@ cwlVersion: v1.2
 class: Workflow
 
 requirements:
-  MultipleInputFeatureRequirement: {}
+  - class: MultipleInputFeatureRequirement
 
 inputs:
   firstArg: File
diff --git a/workflows/FixedScript/workflow.cwl b/workflows/FixedScript/workflow.cwl
index a14dc6a6586116336d12e52334d7661998de32f3..77e97517fb9ea489dc7d833fd1b14bf2238ffbf5 100644
--- a/workflows/FixedScript/workflow.cwl
+++ b/workflows/FixedScript/workflow.cwl
@@ -1,7 +1,7 @@
 cwlVersion: v1.2
 class: CommandLineTool
 hints:
-  DockerRequirement:
+  - class: DockerRequirement
     dockerPull: mcr.microsoft.com/dotnet/sdk:6.0
 requirements:
   - class: InitialWorkDirRequirement