diff --git a/sidebarsScope.ts b/sidebarsScope.ts
index 4f2c5bf..1eb1999 100644
--- a/sidebarsScope.ts
+++ b/sidebarsScope.ts
@@ -13,10 +13,10 @@ const sidebars: SidebarsConfig = {
       link: {type: 'doc', id: 'epics/index'},
       collapsed: false,
       items: epicIds.map((id) => ({
-        type: 'category',
+        type: 'category' as const,
         label: id.toUpperCase(),
-        link: {type: 'doc', id: `epics/${id}`},
-        items: [{type: 'category', label: 'Features', items: []}],
+        link: {type: 'doc' as const, id: `epics/${id}`},
+        items: [{type: 'category' as const, label: 'Features', items: []}],
       })),
     },
   ],