diff --git a/gulpfile.babel.ts b/gulpfile.babel.ts
index 7925e68..40ab315 100644
--- a/gulpfile.babel.ts
+++ b/gulpfile.babel.ts
@@ -6,4 +6,4 @@ import * as tasks from './.gulp';
 GulpStats(Gulp);
 
 // set default task
-Gulp.task('default', tasks.default);
\ No newline at end of file
+Gulp.task('default', tasks.default as any);
\ No newline at end of file