diff --git a/package-lock.json b/package-lock.json
index 1ea3515..a80dc27 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -28,7 +28,7 @@
         "jest": "^29.7.0",
         "prettier": "^2.8.4",
         "ts-jest": "^29.1.2",
-        "typescript": "^5.4.2"
+        "typescript": "^5.9.3"
       }
     },
     "node_modules/@actions/core": {
@@ -4997,10 +4997,11 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.4.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.5.tgz",
-      "integrity": "sha512-vcI4UpRgg81oIRUFwR0WSIHKt11nJ7SAVlYNIu+QpqeyXP+gpQJy/Z4+F0aGxSE4MqwjyXvW/TzgkLAx2AGHwQ==",
+      "version": "5.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
+      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "dev": true,
+      "license": "Apache-2.0",
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
diff --git a/package.json b/package.json
index b62d03c..17707f2 100644
--- a/package.json
+++ b/package.json
@@ -46,6 +46,6 @@
     "jest": "^29.7.0",
     "prettier": "^2.8.4",
     "ts-jest": "^29.1.2",
-    "typescript": "^5.4.2"
+    "typescript": "^5.9.3"
   }
 }