diff --git a/backend/package-lock.json b/backend/package-lock.json
index 6dea3df..1690ca6 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -15,7 +15,7 @@
         "mongoose": "^8.16.0"
       },
       "devDependencies": {
-        "chai": "^4.4.1",
+        "chai": "^5.2.1",
         "mocha": "^11.7.1",
         "mongodb-memory-server": "^10.1.3",
         "nyc": "^17.0.0",
@@ -804,12 +804,13 @@
       "license": "MIT"
     },
     "node_modules/assertion-error": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-1.1.0.tgz",
-      "integrity": "sha512-jgsaNduz+ndvGyFt3uSuWqvy4lCnIJiovtouQN5JZHOKCS2QuhEdbcQHFhVksz2N2U9hXJo8odG7ETyWlEeuDw==",
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-2.0.1.tgz",
+      "integrity": "sha512-Izi8RQcffqCeNVgFigKli1ssklIbpHnCYc6AknXGYoB6grJqyeby7jv12JUQgmTAnIDnbck1uxksT4dzN3PWBA==",
       "dev": true,
+      "license": "MIT",
       "engines": {
-        "node": "*"
+        "node": ">=12"
       }
     },
     "node_modules/async-mutex": {
@@ -1023,21 +1024,20 @@
       ]
     },
     "node_modules/chai": {
-      "version": "4.5.0",
-      "resolved": "https://registry.npmjs.org/chai/-/chai-4.5.0.tgz",
-      "integrity": "sha512-RITGBfijLkBddZvnn8jdqoTypxvqbOLYQkGGxXzeFjVHvudaPw0HNFD9x928/eUwYWd2dPCugVqspGALTZZQKw==",
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/chai/-/chai-5.2.1.tgz",
+      "integrity": "sha512-5nFxhUrX0PqtyogoYOA8IPswy5sZFTOsBFl/9bNsmDLgsxYTzSZQJDPppDnZPTQbzSEm0hqGjWPzRemQCYbD6A==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
-        "assertion-error": "^1.1.0",
-        "check-error": "^1.0.3",
-        "deep-eql": "^4.1.3",
-        "get-func-name": "^2.0.2",
-        "loupe": "^2.3.6",
-        "pathval": "^1.1.1",
-        "type-detect": "^4.1.0"
+        "assertion-error": "^2.0.1",
+        "check-error": "^2.1.1",
+        "deep-eql": "^5.0.1",
+        "loupe": "^3.1.0",
+        "pathval": "^2.0.0"
       },
       "engines": {
-        "node": ">=4"
+        "node": ">=18"
       }
     },
     "node_modules/chalk": {
@@ -1069,15 +1069,13 @@
       }
     },
     "node_modules/check-error": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/check-error/-/check-error-1.0.3.tgz",
-      "integrity": "sha512-iKEoDYaRmd1mxM90a2OEfWhjsjPpYPuQ+lMYsoxB126+t8fw7ySEO48nmDg5COTjxDI65/Y2OWpeEHk3ZOe8zg==",
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/check-error/-/check-error-2.1.1.tgz",
+      "integrity": "sha512-OAlb+T7V4Op9OwdkjmguYRqncdlx5JiofwOAUkmTF+jNdHwzTaTs4sRAGpzLF3oOz5xAyDGrPgeIDFQmDOTiJw==",
       "dev": true,
-      "dependencies": {
-        "get-func-name": "^2.0.2"
-      },
+      "license": "MIT",
       "engines": {
-        "node": "*"
+        "node": ">= 16"
       }
     },
     "node_modules/chokidar": {
@@ -1285,13 +1283,11 @@
       }
     },
     "node_modules/deep-eql": {
-      "version": "4.1.4",
-      "resolved": "https://registry.npmjs.org/deep-eql/-/deep-eql-4.1.4.tgz",
-      "integrity": "sha512-SUwdGfqdKOwxCPeVYjwSyRpJ7Z+fhpwIAtmCUdZIWZ/YP5R9WAsyuSgpLVDi9bjWoN2LXHNss/dk3urXtdQxGg==",
+      "version": "5.0.2",
+      "resolved": "https://registry.npmjs.org/deep-eql/-/deep-eql-5.0.2.tgz",
+      "integrity": "sha512-h5k/5U50IJJFpzfL6nO9jaaumfjO/f2NjK/oYB2Djzm4p9L+3T9qWpZqZ2hAbLPuuYq9wrU08WQyBTL5GbPk5Q==",
       "dev": true,
-      "dependencies": {
-        "type-detect": "^4.0.0"
-      },
+      "license": "MIT",
       "engines": {
         "node": ">=6"
       }
@@ -1791,15 +1787,6 @@
         "node": "6.* || 8.* || >= 10.*"
       }
     },
-    "node_modules/get-func-name": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/get-func-name/-/get-func-name-2.0.2.tgz",
-      "integrity": "sha512-8vXOvuE167CtIc3OyItco7N/dpRtBbYOsPsXCz7X/PMnlGjYjSGuZJgM1Y7mmew7BKf9BqvLX2tnOVy1BBUsxQ==",
-      "dev": true,
-      "engines": {
-        "node": "*"
-      }
-    },
     "node_modules/get-intrinsic": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/get-intrinsic/-/get-intrinsic-1.3.0.tgz",
@@ -2404,13 +2391,11 @@
       }
     },
     "node_modules/loupe": {
-      "version": "2.3.7",
-      "resolved": "https://registry.npmjs.org/loupe/-/loupe-2.3.7.tgz",
-      "integrity": "sha512-zSMINGVYkdpYSOBmLi0D1Uo7JU9nVdQKrHxC8eYlV+9YKK9WePqAlL7lSlorG/U2Fw1w0hTBmaa/jrQ3UbPHtA==",
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/loupe/-/loupe-3.2.0.tgz",
+      "integrity": "sha512-2NCfZcT5VGVNX9mSZIxLRkEAegDGBpuQZBy13desuHeVORmBDyAET4TkJr4SjqQy3A8JDofMN6LpkK8Xcm/dlw==",
       "dev": true,
-      "dependencies": {
-        "get-func-name": "^2.0.1"
-      }
+      "license": "MIT"
     },
     "node_modules/lru-cache": {
       "version": "5.1.1",
@@ -3162,12 +3147,13 @@
       }
     },
     "node_modules/pathval": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/pathval/-/pathval-1.1.1.tgz",
-      "integrity": "sha512-Dp6zGqpTdETdR63lehJYPeIOqpiNBNtc7BpWSLrOje7UaIsE5aY92r/AunQA7rsXvet3lrJ3JnZX29UPTKXyKQ==",
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/pathval/-/pathval-2.0.1.tgz",
+      "integrity": "sha512-//nshmD55c46FuFw26xV/xFAaB5HF9Xdap7HJBBnrKdAd6/GxDBaNA1870O79+9ueg61cZLSVc+OaFlfmObYVQ==",
       "dev": true,
+      "license": "MIT",
       "engines": {
-        "node": "*"
+        "node": ">= 14.16"
       }
     },
     "node_modules/pend": {
@@ -4001,15 +3987,6 @@
       "dev": true,
       "license": "0BSD"
     },
-    "node_modules/type-detect": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-4.1.0.tgz",
-      "integrity": "sha512-Acylog8/luQ8L7il+geoSxhEkazvkslg7PSNKOX59mbB9cOveP5aq9h74Y7YU8yDpJwetzQQrfIwtf4Wp4LKcw==",
-      "dev": true,
-      "engines": {
-        "node": ">=4"
-      }
-    },
     "node_modules/type-fest": {
       "version": "0.8.1",
       "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-0.8.1.tgz",
diff --git a/backend/package.json b/backend/package.json
index eb1cdeb..cd7a323 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -20,7 +20,7 @@
     "mongoose": "^8.16.0"
   },
   "devDependencies": {
-    "chai": "^4.4.1",
+    "chai": "^5.2.1",
     "mocha": "^11.7.1",
     "mongodb-memory-server": "^10.1.3",
     "nyc": "^17.0.0",