diff --git a/package.json b/package.json
index c615ccd..82c8c4c 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "semantic-release": "19.0.5",
     "ts-expect": "1.3.0",
     "ts-node": "10.9.2",
-    "typescript": "5.8.3"
+    "typescript": "5.9.3"
   },
   "eslintConfig": {
     "root": true,
diff --git a/yarn.lock b/yarn.lock
index f8266e3..30864fa 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5827,10 +5827,10 @@ typedarray.prototype.slice@^1.0.3:
     typed-array-buffer "^1.0.2"
     typed-array-byte-offset "^1.0.2"
 
-typescript@5.8.3:
-  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==
 
 uglify-js@^3.1.4:
   version "3.17.4"