diff --git a/src/object/omit.ts b/src/object/omit.ts
index 0792157c..c21594c6 100644
--- a/src/object/omit.ts
+++ b/src/object/omit.ts
@@ -15,7 +15,7 @@
  * const result = omit(obj, ['b', 'c']);
  * // result will be { a: 1 }
  */
-export function omit<T extends Record<string, any>, K extends keyof T>(obj: T, keys: K[]): Omit<T, K> {
+export function omit<T extends Record<string, any>, K extends keyof T>(obj: T, keys: readonly K[]): Omit<T, K> {
   const result = { ...obj };
 
   for (const key of keys) {