diff --git a/tsconfig.json b/tsconfig.json
index a5d7131..b06c35f 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,6 +1,6 @@
 {
   "compilerOptions": {
-    "target": "es2016",
+    "target": "es2017",
     "rootDir": "src",
     "outDir": "dist",
     "module": "commonjs",