diff --git a/vite.config.ts b/vite.config.ts
index cda7433..ca274c8 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -24,4 +24,8 @@ export default defineConfig({
       reporter: ["html", "cobertura"],
     },
   },
+  optimizeDeps: {
+    // TODO: investigate which of these are needed
+    include: ["@mui/icons-material", "yup", "formik"],
+  },
 })