diff --git a/webapp/tsconfig.json b/webapp/tsconfig.json
index 8d23599..7d0d514 100644
--- a/webapp/tsconfig.json
+++ b/webapp/tsconfig.json
@@ -5,7 +5,8 @@
     "baseUrl": ".",
     "paths": {
       "@/*": ["./src/*"]
-    }
+    },
+    "lib": ["ES2021", "DOM"]
   },
 
   "references": [