diff --git a/package-lock.json b/package-lock.json
index 2f09051..d982492 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -19,7 +19,7 @@
         "eslint": "8.57.1",
         "eslint-plugin-github": "4.10.2",
         "prettier": "3.7.4",
-        "typescript": "5.4.4"
+        "typescript": "5.9.3"
       }
     },
     "node_modules/@aashutoshrathi/word-wrap": {
@@ -3266,9 +3266,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.4.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.4.tgz",
-      "integrity": "sha512-dGE2Vv8cpVvw28v8HCPqyb08EzbBURxDpuhJvTrusShUfGnhHBafDsLdS1EhhxyL6BJQE+2cT3dDPAv+MQ6oLw==",
+      "version": "5.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
+      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
@@ -5771,9 +5771,9 @@
       }
     },
     "typescript": {
-      "version": "5.4.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.4.tgz",
-      "integrity": "sha512-dGE2Vv8cpVvw28v8HCPqyb08EzbBURxDpuhJvTrusShUfGnhHBafDsLdS1EhhxyL6BJQE+2cT3dDPAv+MQ6oLw==",
+      "version": "5.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
+      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "dev": true
     },
     "unbox-primitive": {
diff --git a/package.json b/package.json
index 09f80cc..b6d0519 100644
--- a/package.json
+++ b/package.json
@@ -34,6 +34,6 @@
     "eslint": "8.57.1",
     "eslint-plugin-github": "4.10.2",
     "prettier": "3.7.4",
-    "typescript": "5.4.4"
+    "typescript": "5.9.3"
   }
 }