diff --git a/package.json b/package.json
index fadceb8..5e1bde7 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "@vercel/ncc": "^0.38.3",
     "@vitest/coverage-v8": "^3.1.1",
     "ts-node": "^10.9.2",
-    "typescript": "^5.3.3",
+    "typescript": "^5.9.3",
     "vitest": "^3.1.1"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 08a5278..262de54 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2705,10 +2705,10 @@ type-detect@4.0.8:
   resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-4.0.8.tgz#7646fb5f18871cfbb7749e69bd39a6388eb7450c"
   integrity sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g==
 
-typescript@^5.3.3:
-  version "5.8.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.8.3.tgz#92f8a3e5e3cf497356f4178c34cd65a7f5e8440e"
-  integrity sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ==
+typescript@^5.9.3:
+  version "5.9.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.9.3.tgz#5b4f59e15310ab17a216f5d6cf53ee476ede670f"
+  integrity sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==
 
 undici-types@~5.26.4:
   version "5.26.5"