diff --git a/package-lock.json b/package-lock.json
index 7795efa..1bb985e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,7 +14,7 @@
       },
       "devDependencies": {
         "@cloudflare/workers-types": "^4.20260405.1",
-        "typescript": "^5.3.3",
+        "typescript": "^6.0.3",
         "vitest": "^1.1.0",
         "wrangler": "^3.91.0"
       }
@@ -2595,9 +2595,9 @@
       }
     },
     "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 fcd7bba..50d1fe0 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
   },
   "devDependencies": {
     "@cloudflare/workers-types": "^4.20260405.1",
-    "typescript": "^5.3.3",
+    "typescript": "^6.0.3",
     "vitest": "^1.1.0",
     "wrangler": "^3.91.0"
   }