diff --git a/vite.config.js b/vite.config.js
index d03263cf..c2f40e15 100644
--- a/vite.config.js
+++ b/vite.config.js
@@ -17,4 +17,7 @@ export default defineConfig({
       },
     },
   ],
+  resolve: {
+    dedupe: ['@arcgis/core', 'firebase'],
+  },
 });