diff --git a/src/runtime/types/index.ts b/src/runtime/types/index.ts
index 678cc6952..1e4df4e07 100644
--- a/src/runtime/types/index.ts
+++ b/src/runtime/types/index.ts
@@ -437,14 +437,14 @@ export interface QueryBuilder<T = ParsedContentMeta> {
   /**
    * Select a subset of fields
    */
-  only<K extends keyof T>(keys: K): QueryBuilder<Pick<T, K>>
-  only<K extends (keyof T)[]>(keys: K): QueryBuilder<Pick<T, K[number]>>
+  only<const K extends keyof T>(keys: K): QueryBuilder<Pick<T, K>>
+  only<const K extends (keyof T)[]>(keys: K): QueryBuilder<Pick<T, K[number]>>
 
   /**
    * Remove a subset of fields
    */
-  without<K extends keyof T | string>(keys: K): QueryBuilder<Omit<T, K>>
-  without<K extends (keyof T | string)[]>(keys: K): QueryBuilder<Omit<T, K[number]>>
+  without<const K extends keyof T | string>(keys: K): QueryBuilder<Omit<T, K>>
+  without<const K extends (keyof T | string)[]>(keys: K): QueryBuilder<Omit<T, K[number]>>
 
   /**
    * Sort results
diff --git a/src/runtime/types/query.ts b/src/runtime/types/query.ts
index a4eb56f1d..818c9ddfa 100644
--- a/src/runtime/types/query.ts
+++ b/src/runtime/types/query.ts
@@ -286,8 +286,8 @@ export interface ContentQueryBuilder<T = ParsedContentMeta, Y = {}> {
   /**
    * Remove a subset of fields
    */
-  without<K extends keyof T | string>(keys: K): ContentQueryBuilder<Omit<T, K>, Y>
-  without<K extends (keyof T | string)[]>(keys: K): ContentQueryBuilder<Omit<T, K[number]>, Y>
+  without<const K extends keyof T | string>(keys: K): ContentQueryBuilder<Omit<T, K>, Y>
+  without<const K extends (keyof T | string)[]>(keys: K): ContentQueryBuilder<Omit<T, K[number]>, Y>
 
   /**
    * Filter results