diff --git a/.github/workflows/test_04.abstract_base.yml b/.github/workflows/test_04.abstract_base.yml
index 728f80bf0..7487b9147 100644
--- a/.github/workflows/test_04.abstract_base.yml
+++ b/.github/workflows/test_04.abstract_base.yml
@@ -1,6 +1,10 @@
 name: 'Reusable Test Runner | RAG + CoT | Generic'
 on:
   workflow_call:
+    secrets:
+      HF_TOKEN:
+        required: true
+        description: 'Hugging Face authentication token'
     inputs:
       batch_offset:
         description: 'Starting prompt index offset'