diff --git a/backend/package-lock.json b/backend/package-lock.json
index 20519b7..1e8f207 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -20,7 +20,7 @@
         "express-validator": "^7.0.1",
         "geoip-lite": "^1.4.9",
         "helmet": "^7.1.0",
-        "joi": "^17.11.0",
+        "joi": "^18.0.1",
         "jsonwebtoken": "^9.0.2",
         "ml-kmeans": "^6.0.0",
         "ml-matrix": "^6.12.1",
@@ -757,19 +757,52 @@
         "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
       }
     },
+    "node_modules/@hapi/address": {
+      "version": "5.1.1",
+      "resolved": "https://registry.npmjs.org/@hapi/address/-/address-5.1.1.tgz",
+      "integrity": "sha512-A+po2d/dVoY7cYajycYI43ZbYMXukuopIsqCjh5QzsBCipDtdofHntljDlpccMjIfTy6UOkg+5KPriwYch2bXA==",
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "@hapi/hoek": "^11.0.2"
+      },
+      "engines": {
+        "node": ">=14.0.0"
+      }
+    },
+    "node_modules/@hapi/formula": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/@hapi/formula/-/formula-3.0.2.tgz",
+      "integrity": "sha512-hY5YPNXzw1He7s0iqkRQi+uMGh383CGdyyIGYtB+W5N3KHPXoqychklvHhKCC9M3Xtv0OCs/IHw+r4dcHtBYWw==",
+      "license": "BSD-3-Clause"
+    },
     "node_modules/@hapi/hoek": {
-      "version": "9.3.0",
-      "resolved": "https://registry.npmjs.org/@hapi/hoek/-/hoek-9.3.0.tgz",
-      "integrity": "sha512-/c6rf4UJlmHlC9b5BaNvzAcFv7HZ2QHaV0D4/HNlBdvFnvQq8RI4kYdhyPCl7Xj+oWvTWQ8ujhqS53LIgAe6KQ==",
+      "version": "11.0.7",
+      "resolved": "https://registry.npmjs.org/@hapi/hoek/-/hoek-11.0.7.tgz",
+      "integrity": "sha512-HV5undWkKzcB4RZUusqOpcgxOaq6VOAH7zhhIr2g3G8NF/MlFO75SjOr2NfuSx0Mh40+1FqCkagKLJRykUWoFQ==",
+      "license": "BSD-3-Clause"
+    },
+    "node_modules/@hapi/pinpoint": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/@hapi/pinpoint/-/pinpoint-2.0.1.tgz",
+      "integrity": "sha512-EKQmr16tM8s16vTT3cA5L0kZZcTMU5DUOZTuvpnY738m+jyP3JIUj+Mm1xc1rsLkGBQ/gVnfKYPwOmPg1tUR4Q==",
       "license": "BSD-3-Clause"
     },
+    "node_modules/@hapi/tlds": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/@hapi/tlds/-/tlds-1.1.3.tgz",
+      "integrity": "sha512-QIvUMB5VZ8HMLZF9A2oWr3AFM430QC8oGd0L35y2jHpuW6bIIca6x/xL7zUf4J7L9WJ3qjz+iJII8ncaeMbpSg==",
+      "license": "BSD-3-Clause",
+      "engines": {
+        "node": ">=14.0.0"
+      }
+    },
     "node_modules/@hapi/topo": {
-      "version": "5.1.0",
-      "resolved": "https://registry.npmjs.org/@hapi/topo/-/topo-5.1.0.tgz",
-      "integrity": "sha512-foQZKJig7Ob0BMAYBfcJk8d77QtOe7Wo4ox7ff1lQYoNNAb6jwcY1ncdoy2e9wQZzvNy7ODZCYJkK8kzmcAnAg==",
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/@hapi/topo/-/topo-6.0.2.tgz",
+      "integrity": "sha512-KR3rD5inZbGMrHmgPxsJ9dbi6zEK+C3ZwUwTa+eMwWLz7oijWUTWD2pMSNNYJAU6Qq+65NkxXjqHr/7LM2Xkqg==",
       "license": "BSD-3-Clause",
       "dependencies": {
-        "@hapi/hoek": "^9.0.0"
+        "@hapi/hoek": "^11.0.2"
       }
     },
     "node_modules/@humanwhocodes/config-array": {
@@ -1561,27 +1594,6 @@
       "hasInstallScript": true,
       "license": "Apache-2.0"
     },
-    "node_modules/@sideway/address": {
-      "version": "4.1.5",
-      "resolved": "https://registry.npmjs.org/@sideway/address/-/address-4.1.5.tgz",
-      "integrity": "sha512-IqO/DUQHUkPeixNQ8n0JA6102hT9CmaljNTPmQ1u8MEhBo/R4Q8eKLN/vGZxuebwOroDB4cbpjheD4+/sKFK4Q==",
-      "license": "BSD-3-Clause",
-      "dependencies": {
-        "@hapi/hoek": "^9.0.0"
-      }
-    },
-    "node_modules/@sideway/formula": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/@sideway/formula/-/formula-3.0.1.tgz",
-      "integrity": "sha512-/poHZJJVjx3L+zVD6g9KgHfYnb443oi7wLu/XKojDviHy6HOEOA6z1Trk5aR1dGcmPenJEgb2sK2I80LeS3MIg==",
-      "license": "BSD-3-Clause"
-    },
-    "node_modules/@sideway/pinpoint": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/@sideway/pinpoint/-/pinpoint-2.0.0.tgz",
-      "integrity": "sha512-RNiOoTPkptFtSVzQevY/yWtZwf/RxyVnPy/OcA9HBM3MlGDnBEYL5B41H0MTn0Uec8Hi+2qUtTfG2WWZBmMejQ==",
-      "license": "BSD-3-Clause"
-    },
     "node_modules/@sinclair/typebox": {
       "version": "0.27.8",
       "resolved": "https://registry.npmjs.org/@sinclair/typebox/-/typebox-0.27.8.tgz",
@@ -1609,6 +1621,12 @@
         "@sinonjs/commons": "^3.0.0"
       }
     },
+    "node_modules/@standard-schema/spec": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@standard-schema/spec/-/spec-1.0.0.tgz",
+      "integrity": "sha512-m2bOd0f2RT9k8QJx1JN85cZYyH1RqFBdlwtkSlf4tBDYLCiiZnv1fIIwacK6cqwXavOydf0NPToMQgpKq+dVlA==",
+      "license": "MIT"
+    },
     "node_modules/@types/babel__core": {
       "version": "7.20.5",
       "resolved": "https://registry.npmjs.org/@types/babel__core/-/babel__core-7.20.5.tgz",
@@ -5231,16 +5249,21 @@
       }
     },
     "node_modules/joi": {
-      "version": "17.13.3",
-      "resolved": "https://registry.npmjs.org/joi/-/joi-17.13.3.tgz",
-      "integrity": "sha512-otDA4ldcIx+ZXsKHWmp0YizCweVRZG96J10b0FevjfuncLO1oX59THoAmHkNubYJ+9gWsYsp5k8v4ib6oDv1fA==",
+      "version": "18.0.1",
+      "resolved": "https://registry.npmjs.org/joi/-/joi-18.0.1.tgz",
+      "integrity": "sha512-IiQpRyypSnLisQf3PwuN2eIHAsAIGZIrLZkd4zdvIar2bDyhM91ubRjy8a3eYablXsh9BeI/c7dmPYHca5qtoA==",
       "license": "BSD-3-Clause",
       "dependencies": {
-        "@hapi/hoek": "^9.3.0",
-        "@hapi/topo": "^5.1.0",
-        "@sideway/address": "^4.1.5",
-        "@sideway/formula": "^3.0.1",
-        "@sideway/pinpoint": "^2.0.0"
+        "@hapi/address": "^5.1.1",
+        "@hapi/formula": "^3.0.2",
+        "@hapi/hoek": "^11.0.7",
+        "@hapi/pinpoint": "^2.0.1",
+        "@hapi/tlds": "^1.1.1",
+        "@hapi/topo": "^6.0.2",
+        "@standard-schema/spec": "^1.0.0"
+      },
+      "engines": {
+        "node": ">= 20"
       }
     },
     "node_modules/js-beautify": {
diff --git a/backend/package.json b/backend/package.json
index 7e453d4..6d237a9 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -31,7 +31,7 @@
     "express-validator": "^7.0.1",
     "geoip-lite": "^1.4.9",
     "helmet": "^7.1.0",
-    "joi": "^17.11.0",
+    "joi": "^18.0.1",
     "jsonwebtoken": "^9.0.2",
     "ml-kmeans": "^6.0.0",
     "ml-matrix": "^6.12.1",