diff --git a/src/api/form-flow-page/content-types/form-flow-page/schema.json b/src/api/form-flow-page/content-types/form-flow-page/schema.json
index a5b430c..c9c18e3 100644
--- a/src/api/form-flow-page/content-types/form-flow-page/schema.json
+++ b/src/api/form-flow-page/content-types/form-flow-page/schema.json
@@ -42,6 +42,7 @@
           "localized": true
         }
       },
+      "required": true,
       "type": "string"
     },
     "pre_form": {
diff --git a/types/generated/contentTypes.d.ts b/types/generated/contentTypes.d.ts
index aa70df1..c0943fc 100644
--- a/types/generated/contentTypes.d.ts
+++ b/types/generated/contentTypes.d.ts
@@ -1070,6 +1070,7 @@ export interface ApiFormFlowPageFormFlowPage extends Schema.CollectionType {
         };
       }>;
     heading: Attribute.String &
+      Attribute.Required &
       Attribute.SetPluginOptions<{
         i18n: {
           localized: true;