diff --git a/types/sequelize-fixtures/index.d.ts b/types/sequelize-fixtures/index.d.ts
index fc7ffa6e9f..06e7aaf157 100644
--- a/types/sequelize-fixtures/index.d.ts
+++ b/types/sequelize-fixtures/index.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for Sequelize-Fixtures 0.4.7
+// Type definitions for Sequelize-Fixtures 0.6.0
 // Project: https://github.com/domasx2/sequelize-fixtures
 // Definitions by: Christian Schwarz <https://github.com/cschwarz>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
@@ -11,7 +11,8 @@ declare namespace SequelizeFixtures {
         encoding?: string,
         log?: (message: string) => void,
         transaction?: Sequelize.Transaction,
-        transformFixtureDataFn?: (data: any) => any
+        transformFixtureDataFn?: (data: any) => any,
+        modifyFixtureDataFn?: (data: any) => any
     }
 
     interface SequelizeFixturesStatic {
diff --git a/types/sequelize-fixtures/sequelize-fixtures-tests.ts b/types/sequelize-fixtures/sequelize-fixtures-tests.ts
index ac6fe9dbd7..88e52adc37 100644
--- a/types/sequelize-fixtures/sequelize-fixtures-tests.ts
+++ b/types/sequelize-fixtures/sequelize-fixtures-tests.ts
@@ -17,3 +17,4 @@ sequelize.transaction(function (tx) {
 
 SequelizeFixtures.loadFixtures([], {}).then(() => { });
 SequelizeFixtures.loadFixtures([], {}, { transformFixtureDataFn: (data) => { return data; } }).then(() => { });
+SequelizeFixtures.loadFixtures([], {}, { modifyFixtureDataFn: (data) => { return data; } }).then(() => { });