diff --git a/package.json b/package.json
index 3ae2423..0f0e31c 100644
--- a/package.json
+++ b/package.json
@@ -96,7 +96,7 @@
     "markdown-toc": "^1.2.0",
     "preact": "^10.28.0",
     "tap-spec": "^5.0.0",
-    "typescript": "^5.9.3",
+    "typescript": "^6.0.2",
     "vite": "^8.0.5"
   },
   "author": "nichoth <nichoth@gmail.com> (https://nichoth.com)",