diff --git a/packages/solid/package.json b/packages/solid/package.json
index a0af723c..d724b555 100644
--- a/packages/solid/package.json
+++ b/packages/solid/package.json
@@ -46,7 +46,7 @@
   "devDependencies": {
     "@types/node": "^22.7.6",
     "solid-js": "^1.9.10",
-    "tsdown": "^0.20.3",
+    "tsdown": "^0.21.8",
     "typescript": "5.9.3",
     "unplugin-solid": "^1.0.0"
   },