diff --git a/extensions/download-extension/package.json b/extensions/download-extension/package.json
index 58fe42289..1c3f2f174 100644
--- a/extensions/download-extension/package.json
+++ b/extensions/download-extension/package.json
@@ -16,7 +16,7 @@
     "rimraf": "^3.0.2",
     "rolldown": "1.0.0-beta.1",
     "run-script-os": "^1.1.6",
-    "typescript": "5.3.3",
+    "typescript": "5.8.3",
     "vitest": "^3.0.6"
   },
   "files": [