diff --git a/package.json b/package.json
index 04752909a..173b8f1c4 100644
--- a/package.json
+++ b/package.json
@@ -116,7 +116,7 @@
     "strip-json-comments": "^3.1.1",
     "tempy": "^1.0.1",
     "typedoc": "^0.20.35",
-    "typescript": "4.2.3",
+    "typescript": "5.9.3",
     "update-notifier": "^5.0.0",
     "yargs": "^17.0.1"
   },