diff --git a/types/yup/index.d.ts b/types/yup/index.d.ts
index 821b0e3526..7d93dd3326 100644
--- a/types/yup/index.d.ts
+++ b/types/yup/index.d.ts
@@ -206,6 +206,7 @@ export interface TestContext {
     options: ValidateOptions;
     parent: any;
     schema: Schema<any>;
+    resolve: (value: any) => any;
     createError: (params: { path: string; message: string }) => ValidationError;
 }
 
diff --git a/types/yup/yup-tests.ts b/types/yup/yup-tests.ts
index efef78d319..b4dedc6bcb 100644
--- a/types/yup/yup-tests.ts
+++ b/types/yup/yup-tests.ts
@@ -174,6 +174,8 @@ const testContext = function(this: TestContext) {
     this.parent;
     // $ExpectType Schema<any>
     this.schema;
+    // $ExpectType (value: any) => any
+    this.resolve;
     // $ExpectType ValidationError
     this.createError({ path: "1", message: "1" });
     return true;