diff --git a/package.json b/package.json
index 4e045b6c..a427aa7e 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "@types/node": "22.15.21",
     "eslint": "9.27.0",
     "rollup": "4.41.1",
-    "typescript": "5.8.3",
+    "typescript": "5.9.3",
     "typescript-eslint": "8.32.1"
   }
 }