diff --git a/tsconfig.json b/tsconfig.json
index 94e041a..9c27a56 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,6 +1,6 @@
 {
   "compilerOptions": {
-    "target": "es2017",
+    "target": "es2018",
     "lib": ["DOM", "DOM.Iterable", "ESNext"],
     "module": "ESNext",
     "moduleResolution": "Node",