diff --git a/package-lock.json b/package-lock.json
index ce650ad..78eed9f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,7 +16,7 @@
       },
       "devDependencies": {
         "@astrojs/check": "^0.9.10",
-        "typescript": "^5.8.0"
+        "typescript": "^6.0.3"
       },
       "engines": {
         "node": ">=22.12.0"
@@ -5149,9 +5149,9 @@
       "license": "MIT"
     },
     "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 da4d948..80808ea 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
   },
   "devDependencies": {
     "@astrojs/check": "^0.9.10",
-    "typescript": "^5.8.0"
+    "typescript": "^6.0.3"
   },
   "overrides": {
     "brace-expansion": "5.0.12",