diff --git a/workflows/merge_isa_metadata/placeholder.cwl b/workflows/merge_isa_metadata/placeholder.cwl
new file mode 100644
index 0000000000000000000000000000000000000000..30d74d258442c7c65512eafab474568dd706c430
--- /dev/null
+++ b/workflows/merge_isa_metadata/placeholder.cwl
@@ -0,0 +1 @@
+test
\ No newline at end of file
diff --git a/workflows/shiny_prep/placeholder.cwl b/workflows/shiny_prep/placeholder.cwl
new file mode 100644
index 0000000000000000000000000000000000000000..30d74d258442c7c65512eafab474568dd706c430
--- /dev/null
+++ b/workflows/shiny_prep/placeholder.cwl
@@ -0,0 +1 @@
+test
\ No newline at end of file