diff --git a/package-lock.json b/package-lock.json
index 9077bed..3276117 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,7 +16,7 @@
       "devDependencies": {
         "@types/node": "^24.1.0",
         "@types/semver": "^7.5.8",
-        "typescript": "^5.5.4"
+        "typescript": "^6.0.3"
       }
     },
     "node_modules/@actions/core": {
@@ -551,9 +551,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.9.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
-      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
+      "version": "6.0.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-6.0.3.tgz",
+      "integrity": "sha512-y2TvuxSZPDyQakkFRPZHKFm+KKVqIisdg9/CZwm9ftvKXLP8NRWj38/ODjNbr43SsoXqNuAisEf1GdCxqWcdBw==",
       "dev": true,
       "license": "Apache-2.0",
       "bin": {
diff --git a/package.json b/package.json
index 69d9c41..edddda2 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
   "devDependencies": {
     "@types/node": "^24.1.0",
     "@types/semver": "^7.5.8",
-    "typescript": "^5.5.4"
+    "typescript": "^6.0.3"
   },
   "overrides": {
     "axios": "^1.15.0",