diff --git a/types/gulp-gh-pages/gulp-gh-pages-tests.ts b/types/gulp-gh-pages/gulp-gh-pages-tests.ts
index e541f18508..6fee2842e0 100644
--- a/types/gulp-gh-pages/gulp-gh-pages-tests.ts
+++ b/types/gulp-gh-pages/gulp-gh-pages-tests.ts
@@ -19,5 +19,8 @@ gulp.src("test.css")
 gulp.src("test.css")
     .pipe(ghPages({push: false}));
 
+gulp.src("test.css")
+    .pipe(ghPages({ force: true }));
+
 gulp.src("test.css")
     .pipe(ghPages({message: "master"}));
diff --git a/types/gulp-gh-pages/index.d.ts b/types/gulp-gh-pages/index.d.ts
index f01b9890f1..782f9e9b56 100644
--- a/types/gulp-gh-pages/index.d.ts
+++ b/types/gulp-gh-pages/index.d.ts
@@ -1,6 +1,7 @@
 // Type definitions for gulp-gh-pages
 // Project: https://github.com/rowoot/gulp-gh-pages
 // Definitions by: Asana <https://asana.com>
+//                 Ntnyq <https://github.com/ntnyq>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
 /// <reference types="node"/>
@@ -12,6 +13,7 @@ interface Options {
     branch?: string;
     cacheDir?: string;
     push?: boolean;
+    force?: boolean;
     message?: string;
 }