diff --git a/tstl/package.json b/tstl/package.json
index 14712b9..477071a 100644
--- a/tstl/package.json
+++ b/tstl/package.json
@@ -23,7 +23,7 @@
         "lua-types": "^2.13.1",
         "prettier": "^3.5.3",
         "typedoc": "^0.28.5",
-        "typescript": "5.8.2",
+        "typescript": "5.9.3",
         "typescript-to-lua": "1.31.2",
         "vitest": "^3.2.4"
     }