diff --git a/package-lock.json b/package-lock.json
index 2094ddf..cc1cf30 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -23,7 +23,7 @@
         "crx": "^5.0.1",
         "fast-glob": "^3.3.3",
         "ts-node": "^10.9.2",
-        "typescript": "^5.8.3",
+        "typescript": "^5.9.3",
         "vite": "^7.1.11",
         "web-ext": "^8.8.0",
         "webextension-polyfill": "^0.12.0"
@@ -6123,10 +6123,11 @@
       "dev": true
     },
     "node_modules/typescript": {
-      "version": "5.8.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.8.3.tgz",
-      "integrity": "sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ==",
+      "version": "5.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
+      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "dev": true,
+      "license": "Apache-2.0",
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
diff --git a/package.json b/package.json
index 43c018f..1819e69 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "crx": "^5.0.1",
     "fast-glob": "^3.3.3",
     "ts-node": "^10.9.2",
-    "typescript": "^5.8.3",
+    "typescript": "^5.9.3",
     "vite": "^7.1.11",
     "web-ext": "^8.8.0",
     "webextension-polyfill": "^0.12.0"