diff --git a/types-ts4/renameKeys.d.ts b/types-ts4/renameKeys.d.ts
new file mode 100644
index 0000000..5445d97
--- /dev/null
+++ b/types-ts4/renameKeys.d.ts
@@ -0,0 +1,8 @@
+import { Placeholder, Prettify, Remap } from './util/tools';
+
+// renameKeys(mapping)(obj)
+export function renameKeys<U extends Record<PropertyKey, string>>(mapping: U): <T extends Record<keyof U, unknown>>(obj: T) => Prettify<Omit<T, keyof U> & Remap<T, U>>;
+// renameKeys(__, obj)(mapping)
+export function renameKeys<T>(__: Placeholder, obj: T): <U extends Partial<Record<keyof T, string>>>(mapping: U) => Prettify<Omit<T, keyof U> & Remap<T, U>>;
+// renameKeys(mapping, obj)
+export function renameKeys<T, U extends Partial<Record<keyof T, string>>>(mapping: U, obj: T): Prettify<Omit<T, keyof U> & Remap<T, U>>;