diff --git a/merge/package-lock.json b/merge/package-lock.json
index 804e7f3..85fb4ec 100644
--- a/merge/package-lock.json
+++ b/merge/package-lock.json
@@ -22,7 +22,7 @@
         "eslint-plugin-github": "^5.1.8",
         "eslint-plugin-jest": "^29.0.1",
         "prettier": "^3.6.2",
-        "typescript": "^5.9.3"
+        "typescript": "^6.0.3"
       }
     },
     "node_modules/@actions/core": {
@@ -4474,9 +4474,9 @@
       }
     },
     "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/merge/package.json b/merge/package.json
index ca76d14..4d21b52 100644
--- a/merge/package.json
+++ b/merge/package.json
@@ -32,6 +32,6 @@
     "eslint-plugin-github": "^5.1.8",
     "eslint-plugin-jest": "^29.0.1",
     "prettier": "^3.6.2",
-    "typescript": "^5.9.3"
+    "typescript": "^6.0.3"
   }
 }