diff --git a/package.json b/package.json
index d3e2afc..da4f68e 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "@types/which-polygon": "^2.2.5",
     "eslint": "^9.39.4",
     "globals": "^17.4.0",
-    "typescript": "^5.9.3",
+    "typescript": "^6.0.3",
     "typescript-eslint": "^8.57.1"
   },
   "scripts": {