diff --git a/backend/package-lock.json b/backend/package-lock.json
index 96f0dc9..ed5ad35 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -10,9 +10,9 @@
       "dependencies": {
         "adm-zip": "^0.5.16",
         "cors": "^2.8.5",
-        "dotenv": "^17.3.1",
+        "dotenv": "^17.4.2",
         "express": "^5.2.1",
-        "express-rate-limit": "^8.3.1",
+        "express-rate-limit": "^8.4.1",
         "multer": "2.1.1"
       },
       "devDependencies": {
@@ -20,11 +20,11 @@
         "@types/cors": "^2.8.17",
         "@types/express": "^5.0.0",
         "@types/multer": "^2.1.0",
-        "@types/node": "^25.5.0",
+        "@types/node": "^25.6.0",
         "@types/supertest": "^7.2.0",
         "supertest": "^7.0.0",
         "tsx": "^4.19.0",
-        "typescript": "~5.9.3",
+        "typescript": "~6.0.3",
         "vitest": "^4.1.0"
       }
     },
@@ -974,13 +974,13 @@
       }
     },
     "node_modules/@types/node": {
-      "version": "25.5.0",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.5.0.tgz",
-      "integrity": "sha512-jp2P3tQMSxWugkCUKLRPVUpGaL5MVFwF8RDuSRztfwgN1wmqJeMSbKlnEtQqU8UrhTmzEmZdu2I6v2dpp7XIxw==",
+      "version": "25.6.0",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.6.0.tgz",
+      "integrity": "sha512-+qIYRKdNYJwY3vRCZMdJbPLJAtGjQBudzZzdzwQYkEPQd+PJGixUL5QfvCLDaULoLv+RhT3LDkwEfKaAkgSmNQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~7.18.0"
+        "undici-types": "~7.19.0"
       }
     },
     "node_modules/@types/qs": {
@@ -1536,9 +1536,9 @@
       }
     },
     "node_modules/dotenv": {
-      "version": "17.3.1",
-      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-17.3.1.tgz",
-      "integrity": "sha512-IO8C/dzEb6O3F9/twg6ZLXz164a2fhTnEWb95H23Dm4OuN+92NmEAlTrupP9VW6Jm3sO26tQlqyvyi4CsnY9GA==",
+      "version": "17.4.2",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-17.4.2.tgz",
+      "integrity": "sha512-nI4U3TottKAcAD9LLud4Cb7b2QztQMUEfHbvhTH09bqXTxnSie8WnjPALV/WMCrJZ6UV/qHJ6L03OqO3LcdYZw==",
       "license": "BSD-2-Clause",
       "engines": {
         "node": ">=12"
@@ -1750,9 +1750,9 @@
       }
     },
     "node_modules/express-rate-limit": {
-      "version": "8.3.1",
-      "resolved": "https://registry.npmjs.org/express-rate-limit/-/express-rate-limit-8.3.1.tgz",
-      "integrity": "sha512-D1dKN+cmyPWuvB+G2SREQDzPY1agpBIcTa9sJxOPMCNeH3gwzhqJRDWCXW3gg0y//+LQ/8j52JbMROWyrKdMdw==",
+      "version": "8.4.1",
+      "resolved": "https://registry.npmjs.org/express-rate-limit/-/express-rate-limit-8.4.1.tgz",
+      "integrity": "sha512-NGVYwQSAyEQgzxX1iCM978PP9AdO/hW93gMcF6ZwQCm+rFvLsBH6w4xcXWTcliS8La5EPRN3p9wzItqBwJrfNw==",
       "license": "MIT",
       "dependencies": {
         "ip-address": "10.1.0"
@@ -3126,9 +3126,9 @@
       "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": {
@@ -3140,9 +3140,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "7.18.2",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.18.2.tgz",
-      "integrity": "sha512-AsuCzffGHJybSaRrmr5eHr81mwJU3kjw6M+uprWvCXiNeN9SOGwQ3Jn8jb8m3Z6izVgknn1R0FTCEAP2QrLY/w==",
+      "version": "7.19.2",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.19.2.tgz",
+      "integrity": "sha512-qYVnV5OEm2AW8cJMCpdV20CDyaN3g0AjDlOGf1OW4iaDEx8MwdtChUp4zu4H0VP3nDRF/8RKWH+IPp9uW0YGZg==",
       "dev": true,
       "license": "MIT"
     },
diff --git a/backend/package.json b/backend/package.json
index b810b2a..c2fd3dc 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -12,9 +12,9 @@
   "dependencies": {
     "adm-zip": "^0.5.16",
     "cors": "^2.8.5",
-    "dotenv": "^17.3.1",
+    "dotenv": "^17.4.2",
     "express": "^5.2.1",
-    "express-rate-limit": "^8.3.1",
+    "express-rate-limit": "^8.4.1",
     "multer": "2.1.1"
   },
   "devDependencies": {
@@ -22,11 +22,11 @@
     "@types/cors": "^2.8.17",
     "@types/express": "^5.0.0",
     "@types/multer": "^2.1.0",
-    "@types/node": "^25.5.0",
+    "@types/node": "^25.6.0",
     "@types/supertest": "^7.2.0",
     "supertest": "^7.0.0",
     "tsx": "^4.19.0",
-    "typescript": "~5.9.3",
+    "typescript": "~6.0.3",
     "vitest": "^4.1.0"
   }
 }