diff --git a/crc/models/workflow.py b/crc/models/workflow.py
index 438daab7..956be5f1 100644
--- a/crc/models/workflow.py
+++ b/crc/models/workflow.py
@@ -1,5 +1,6 @@
 import enum
 
+import marshmallow
 from marshmallow_sqlalchemy import SQLAlchemyAutoSchema
 
 from crc import db
@@ -37,6 +38,8 @@ class WorkflowSpecModelSchema(SQLAlchemyAutoSchema):
         include_relationships = True
         include_fk = True  # Includes foreign keys
 
+    workflow_spec_category = marshmallow.fields.Nested(WorkflowSpecCategoryModelSchema, dump_only=True)
+
 
 class WorkflowStatus(enum.Enum):
     new = "new"