diff --git a/app-frontend/package-lock.json b/app-frontend/package-lock.json
index 90391d4..aa2681c 100644
--- a/app-frontend/package-lock.json
+++ b/app-frontend/package-lock.json
@@ -23,7 +23,7 @@
         "@types/react-dom": "^18.3.1",
         "@vitejs/plugin-react": "^4.7.0",
         "jsdom": "^26.1.0",
-        "typescript": "^5.8.3",
+        "typescript": "^5.9.3",
         "vitest": "^3.2.4"
       }
     },
@@ -3182,9 +3182,9 @@
       }
     },
     "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": {
diff --git a/app-frontend/package.json b/app-frontend/package.json
index 84a664f..c3b01f3 100644
--- a/app-frontend/package.json
+++ b/app-frontend/package.json
@@ -19,7 +19,7 @@
     "@types/react-dom": "^18.3.1",
     "jsdom": "^26.1.0",
     "vitest": "^3.2.4",
-    "typescript": "^5.8.3"
+    "typescript": "^5.9.3"
   },
   "scripts": {
     "start": "vite",