diff --git a/tsconfig.json b/tsconfig.json
index 2e53009..6f95534 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -5,7 +5,7 @@
         "noImplicitAny": true,
         "removeComments": true,
         "declaration": true,
-        "target": "es5",
+        "target": "es6",
         "lib": [
             "dom",
             "es2015"