diff --git a/frontend/tsconfig.json b/frontend/tsconfig.json
index b6dfe88..cfeb92d 100644
--- a/frontend/tsconfig.json
+++ b/frontend/tsconfig.json
@@ -8,7 +8,7 @@
       "@/*": ["./src/*"],
     },
     "target": "es2018",
-    "lib": ["es2018"],
+    "lib": ["es2018", "DOM"],
     "experimentalDecorators": true,           /* Enables experimental support for ES7 decorators. */
     "emitDecoratorMetadata": true,            /* Enables experimental support for emitting type metadata for decorators. */
   },