diff --git a/package.json b/package.json
index c3ce554..e3693f6 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "fastify": "^5.6.0",
     "react": "^19.3.0",
     "react-dom": "^19.3.1",
-    "tsup": "^8.5.0",
+    "tsup": "^9.0.0",
     "tsx": "^4.23.15",
     "typescript": "^5.9.3"
   },