diff --git a/package.json b/package.json
index 8108bae..5c5a9cd 100644
--- a/package.json
+++ b/package.json
@@ -123,7 +123,7 @@
     "svelte-eslint-parser": "^1.0.0",
     "svelte2tsx": "^0.7.0",
     "tsdown": "^0.12.0",
-    "typescript": "~5.8.0",
+    "typescript": "~5.9.0",
     "unplugin-unused": "^0.5.0",
     "vue": "^3.2.41",
     "vue-eslint-parser": "^10.0.0"