diff --git a/languageservice/package.json b/languageservice/package.json
index c9ae6bff..8eaca88f 100644
--- a/languageservice/package.json
+++ b/languageservice/package.json
@@ -71,6 +71,6 @@
     "rimraf": "^3.0.2",
     "ts-jest": "^29.0.3",
     "ts-node": "^10.9.1",
-    "typescript": "^4.8.4"
+    "typescript": "^5.9.2"
   }
 }