diff --git a/package-lock.json b/package-lock.json
index 09c4561..b4d4b7c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -28,7 +28,7 @@
         "prettier": "^3.6.2",
         "source-map-loader": "^5.0.0",
         "ts-loader": "^9.5.1",
-        "typescript": "^5.9.3",
+        "typescript": "^6.0.3",
         "typescript-eslint": "^8.58.2",
         "web-ext-plugin": "^2.13.0",
         "webpack": "^5.106.2",
@@ -9020,9 +9020,9 @@
       "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 92e218f..c591226 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "prettier": "^3.6.2",
     "source-map-loader": "^5.0.0",
     "ts-loader": "^9.5.1",
-    "typescript": "^5.9.3",
+    "typescript": "^6.0.3",
     "typescript-eslint": "^8.58.2",
     "web-ext-plugin": "^2.13.0",
     "webpack": "^5.106.2",