diff --git a/tsconfig.json b/tsconfig.json
index 970d872..149ed01 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -2,10 +2,8 @@
   "compilerOptions": {
     "strict": true,
     "module": "commonjs",
-    "target": "es2020",
-    "lib": ["es2020"],
-    "sourceMap": true,
-    "declaration": true,
+    "target": "ES2021",
+    "lib": ["ES2021"],
     "moduleResolution": "node",
     "alwaysStrict": true,
     "noUnusedLocals": true,