diff --git a/backend/package-lock.json b/backend/package-lock.json
index 96f0dc9..29a200a 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -10,7 +10,7 @@
       "dependencies": {
         "adm-zip": "^0.5.16",
         "cors": "^2.8.5",
-        "dotenv": "^17.3.1",
+        "dotenv": "^17.4.0",
         "express": "^5.2.1",
         "express-rate-limit": "^8.3.1",
         "multer": "2.1.1"
@@ -24,7 +24,7 @@
         "@types/supertest": "^7.2.0",
         "supertest": "^7.0.0",
         "tsx": "^4.19.0",
-        "typescript": "~5.9.3",
+        "typescript": "~6.0.2",
         "vitest": "^4.1.0"
       }
     },
@@ -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": "17.4.0",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-17.4.0.tgz",
+      "integrity": "sha512-kCKF62fwtzwYm0IGBNjRUjtJgMfGapII+FslMHIjMR5KTnwEmBmWLDRSnc3XSNP8bNy34tekgQyDT0hr7pERRQ==",
       "license": "BSD-2-Clause",
       "engines": {
         "node": ">=12"
@@ -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": "6.0.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-6.0.2.tgz",
+      "integrity": "sha512-bGdAIrZ0wiGDo5l8c++HWtbaNCWTS4UTv7RaTH/ThVIgjkveJt83m74bBHMJkuCbslY8ixgLBVZJIOiQlQTjfQ==",
       "dev": true,
       "license": "Apache-2.0",
       "bin": {
diff --git a/backend/package.json b/backend/package.json
index b810b2a..1bb194b 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -12,7 +12,7 @@
   "dependencies": {
     "adm-zip": "^0.5.16",
     "cors": "^2.8.5",
-    "dotenv": "^17.3.1",
+    "dotenv": "^17.4.0",
     "express": "^5.2.1",
     "express-rate-limit": "^8.3.1",
     "multer": "2.1.1"
@@ -26,7 +26,7 @@
     "@types/supertest": "^7.2.0",
     "supertest": "^7.0.0",
     "tsx": "^4.19.0",
-    "typescript": "~5.9.3",
+    "typescript": "~6.0.2",
     "vitest": "^4.1.0"
   }
 }