diff --git a/backend/package-lock.json b/backend/package-lock.json
index 09c9b96..83638c0 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -14,7 +14,9 @@
         "compression": "^1.7.4",
         "cors": "^2.8.5",
         "dotenv": "^17.0.1",
-        "express": "^4.19.2"
+        "express": "^4.19.2",
+        "express-rate-limit": "^6.11.2",
+        "helmet": "^7.1.0"
       },
       "devDependencies": {
         "nodemon": "^3.1.10"
@@ -606,6 +608,18 @@
         "url": "https://opencollective.com/express"
       }
     },
+    "node_modules/express-rate-limit": {
+      "version": "6.11.2",
+      "resolved": "https://registry.npmjs.org/express-rate-limit/-/express-rate-limit-6.11.2.tgz",
+      "integrity": "sha512-a7uwwfNTh1U60ssiIkuLFWHt4hAC5yxlLGU2VP0X4YNlyEDZAqF4tK3GD3NSitVBrCQmQ0++0uOyFOgC2y4DDw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 14"
+      },
+      "peerDependencies": {
+        "express": "^4 || ^5"
+      }
+    },
     "node_modules/express/node_modules/debug": {
       "version": "2.6.9",
       "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
@@ -869,6 +883,15 @@
         "node": ">= 0.4"
       }
     },
+    "node_modules/helmet": {
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/helmet/-/helmet-7.2.0.tgz",
+      "integrity": "sha512-ZRiwvN089JfMXokizgqEPXsl2Guk094yExfoDXR0cBYWxtBbaSww/w+vT4WEJsBW2iTUi1GgZ6swmoug3Oy4Xw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=16.0.0"
+      }
+    },
     "node_modules/http-errors": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-2.0.0.tgz",
diff --git a/backend/package.json b/backend/package.json
index 1207abf..e402d25 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -21,7 +21,9 @@
     "dotenv": "^17.0.1",
     "express": "^4.19.2",
     "compression": "^1.7.4",
-    "ajv": "^8.17.1"
+    "ajv": "^8.17.1",
+    "helmet": "^7.1.0",
+    "express-rate-limit": "^6.11.2"
   },
   "devDependencies": {
     "nodemon": "^3.1.10"