diff --git a/tsconfig.json b/tsconfig.json
index 61952ee..24237c2 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -5,7 +5,8 @@
     "baseUrl": ".",
     "paths": {
       "@/*": ["./src/*"]
-    }
+    },
+    "lib": ["es2021"]
   },
 
   "references": [