diff --git a/package-lock.json b/package-lock.json
index f680a8a..a09f609 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -20,7 +20,7 @@
         "jest-circus": "^30.1.3",
         "rimraf": "^6.0.1",
         "ts-jest": "^29.4.1",
-        "typescript": "^5.8.3"
+        "typescript": "^5.9.3"
       }
     },
     "node_modules/@actions/core": {
@@ -4211,11 +4211,10 @@
       }
     },
     "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==",
       "dev": true,
-      "license": "Apache-2.0",
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
@@ -7430,9 +7429,9 @@
       "dev": true
     },
     "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==",
       "dev": true
     },
     "uglify-js": {
diff --git a/package.json b/package.json
index 8d02aa5..5814c21 100644
--- a/package.json
+++ b/package.json
@@ -37,6 +37,6 @@
     "jest-circus": "^30.1.3",
     "rimraf": "^6.0.1",
     "ts-jest": "^29.4.1",
-    "typescript": "^5.8.3"
+    "typescript": "^5.9.3"
   }
 }