diff --git a/package-lock.json b/package-lock.json
index 9bedda6..9b52bf4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -20,7 +20,7 @@
                 "eslint-plugin-prettier": "^5.5.4",
                 "mocha": "11.7.4",
                 "prettier": "3.6.2",
-                "typescript": ">=5.8.3"
+                "typescript": ">=5.9.3"
             },
             "peerDependencies": {
                 "eslint": ">=9.32.0"
@@ -2642,9 +2642,9 @@
             }
         },
         "node_modules/typescript": {
-            "version": "5.8.3",
-            "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.8.3.tgz",
-            "integrity": "sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ==",
+            "version": "5.9.3",
+            "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
+            "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
             "license": "Apache-2.0",
             "bin": {
                 "tsc": "bin/tsc",
diff --git a/package.json b/package.json
index d370d64..5efd196 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
         "babel-eslint": "^10.1.0",
         "eslint": ">=9.32.0",
         "mocha": "11.7.4",
-        "typescript": ">=5.8.3"
+        "typescript": ">=5.9.3"
     },
     "keywords": [
         "eslint",