diff --git a/types/yup/index.d.ts b/types/yup/index.d.ts
index 0afaf1fd9d..ffba765581 100644
--- a/types/yup/index.d.ts
+++ b/types/yup/index.d.ts
@@ -7,6 +7,7 @@
 //                 Yash Kulshrestha <https://github.com/YashdalfTheGray>
 //                 Vincent Pizzo <https://github.com/vincentjames501>
 //                 Robert Bullen <https://github.com/robertbullen>
+//                 Yusuke Sato <https://github.com/sat0yu>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.8
 
@@ -163,7 +164,7 @@ export interface ArraySchema<T> extends Schema<T[]> {
     min(limit: number | Ref, message?: TestOptionsMessage): ArraySchema<T>;
     max(limit: number | Ref, message?: TestOptionsMessage): ArraySchema<T>;
     ensure(): ArraySchema<T>;
-    compact(rejector?: (value: any) => boolean): ArraySchema<T>;
+    compact(rejector?: (value: T, index: number, array: T[]) => boolean): ArraySchema<T>;
 }
 
 export type ObjectSchemaDefinition<T extends object> = {
diff --git a/types/yup/yup-tests.ts b/types/yup/yup-tests.ts
index 361cc62084..a90a7df25d 100644
--- a/types/yup/yup-tests.ts
+++ b/types/yup/yup-tests.ts
@@ -367,7 +367,7 @@ arrSchema.max(5, () => "max");
 arrSchema.min(5);
 arrSchema.min(5, "min");
 arrSchema.min(5, () => "min");
-arrSchema.compact(value => value === null);
+arrSchema.compact((value, index, array) => value === array[index]);
 
 yup.array(); // $ExpectType ArraySchema<{}>
 yup.array(yup.string()); // $ExpectType ArraySchema<string>