diff --git a/tsconfig.json b/tsconfig.json
index ac08134..83c2c46 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,7 +1,7 @@
 {
     "compilerOptions": {
         "module": "commonjs",
-        "target": "es2015",
+        "target": "es6",
         "noImplicitAny": true,
         "strictNullChecks": true,
         "baseUrl": "../"