diff --git a/webui/vite.config.ts b/webui/vite.config.ts
index e32cd09..5f310c1 100644
--- a/webui/vite.config.ts
+++ b/webui/vite.config.ts
@@ -91,7 +91,12 @@ export default defineConfig({
   },
   resolve: {
     preserveSymlinks: true,
-    dedupe: ["react", "react-dom", "react-router-dom"],
+    dedupe: [
+      "@xyflow/react",
+      "react",
+      "react-dom",
+      "react-router-dom"
+    ],
     alias: [
       { find: "@govoplan/core-webui/app", replacement: fileURLToPath(new URL("./src/app.ts", import.meta.url)) },
       { find: "@govoplan/core-webui/definition-graph", replacement: fileURLToPath(new URL("./src/definitionGraph.ts", import.meta.url)) },