diff --git a/languageserver/package.json b/languageserver/package.json
index ea08f7dd..8ea950a9 100644
--- a/languageserver/package.json
+++ b/languageserver/package.json
@@ -69,6 +69,6 @@
     "prettier": "^2.8.3",
     "rimraf": "^3.0.2",
     "ts-jest": "^29.0.3",
-    "typescript": "^4.8.4"
+    "typescript": "^5.9.3"
   }
 }