diff --git a/package-lock.json b/package-lock.json
index d16dc8b..566d169 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,7 +14,7 @@
         "@types/chrome": "^0.0.270",
         "@types/node": "^25.8.0",
         "jsdom": "^24.1.1",
-        "typescript": "^5.5.4",
+        "typescript": "^6.0.3",
         "vite": "^8.0.13",
         "vitest": "^4.1.6"
       }
@@ -1929,9 +1929,9 @@
       "optional": true
     },
     "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 c2525c1..f52bb7a 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "@types/chrome": "^0.0.270",
     "@types/node": "^25.8.0",
     "jsdom": "^24.1.1",
-    "typescript": "^5.5.4",
+    "typescript": "^6.0.3",
     "vite": "^8.0.13",
     "vitest": "^4.1.6"
   }