diff --git a/doc/development/tutorials/examples/recipe.py b/doc/development/tutorials/examples/recipe.py
index 28d25f21f62..baf85fe3e2c 100644
--- a/doc/development/tutorials/examples/recipe.py
+++ b/doc/development/tutorials/examples/recipe.py
@@ -122,6 +122,7 @@ class RecipeDomain(Domain):
         'recipes': [],  # object list
         'recipe_ingredients': {},  # name -> object
     }
+    data_version = 0
 
     def get_full_qualified_name(self, node):
         return f'recipe.{node.arguments[0]}'