diff --git a/package-lock.json b/package-lock.json
index 9a8498e..352da99 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -45,7 +45,7 @@
         "sinon": "^21.0.0",
         "sinon-chai": "^3.7.0",
         "ts-node": "^10.9.1",
-        "typescript": "^5.8.3"
+        "typescript": "^5.9.2"
       }
     },
     "node_modules/@actions/core": {
@@ -11349,9 +11349,9 @@
       }
     },
     "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": "5.9.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.2.tgz",
+      "integrity": "sha512-CWBzXQrc/qOkhidw1OzBTQuYRbfyxDXJMVJ1XNwUHGROVmuaeiEm3OslpZ1RV96d7SKKjZKrSJu3+t/xlw3R9A==",
       "dev": true,
       "license": "Apache-2.0",
       "bin": {
diff --git a/package.json b/package.json
index ce756c4..a0997c1 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
     "sinon": "^21.0.0",
     "sinon-chai": "^3.7.0",
     "ts-node": "^10.9.1",
-    "typescript": "^5.8.3"
+    "typescript": "^5.9.2"
   },
   "dependencies": {
     "@actions/core": "^1.11.1",