diff --git a/12. Authentication and Authorization/auth-server/package-lock.json b/12. Authentication and Authorization/auth-server/package-lock.json
index a8f61cf..e6c9e3b 100644
--- a/12. Authentication and Authorization/auth-server/package-lock.json	
+++ b/12. Authentication and Authorization/auth-server/package-lock.json	
@@ -286,6 +286,15 @@
         "node-pre-gyp": "bin/node-pre-gyp"
       }
     },
+    "node_modules/@mongodb-js/saslprep": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@mongodb-js/saslprep/-/saslprep-1.1.0.tgz",
+      "integrity": "sha512-Xfijy7HvfzzqiOAhAepF4SGN5e9leLkMvg/OPOF97XemjfVCYN/oWa75wnkc6mltMSTwY+XlbhWgUOJmkFspSw==",
+      "optional": true,
+      "dependencies": {
+        "sparse-bitfield": "^3.0.3"
+      }
+    },
     "node_modules/@tootallnate/once": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/@tootallnate/once/-/once-2.0.0.tgz",
@@ -295,9 +304,9 @@
       }
     },
     "node_modules/@types/node": {
-      "version": "20.3.0",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.3.0.tgz",
-      "integrity": "sha512-cumHmIAf6On83X7yP+LrsEyUOf/YlociZelmpRYaGFydoaPdxdt80MAbu6vWerQT2COCp2nPvHdsbD7tHn/YlQ=="
+      "version": "20.5.7",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.5.7.tgz",
+      "integrity": "sha512-dP7f3LdZIysZnmvP3ANJYTSwg+wLLl8p7RqniVlV7j+oXSXAbt9h0WIBFmJy5inWZoX9wZN6eXx+YXd9Rh3RBA=="
     },
     "node_modules/@types/webidl-conversions": {
       "version": "7.0.0",
@@ -479,9 +488,9 @@
       }
     },
     "node_modules/bson": {
-      "version": "5.3.0",
-      "resolved": "https://registry.npmjs.org/bson/-/bson-5.3.0.tgz",
-      "integrity": "sha512-ukmCZMneMlaC5ebPHXIkP8YJzNl5DC41N5MAIvKDqLggdao342t4McltoJBQfQya/nHBWAcSsYRqlXPoQkTJag==",
+      "version": "5.4.0",
+      "resolved": "https://registry.npmjs.org/bson/-/bson-5.4.0.tgz",
+      "integrity": "sha512-WRZ5SQI5GfUuKnPTNmAYPiKIof3ORXAF4IRU5UcgmivNIon01rWQlw5RUH954dpu8yGL8T59YShVddIPaU/gFA==",
       "engines": {
         "node": ">=14.20.1"
       }
@@ -1277,11 +1286,11 @@
       }
     },
     "node_modules/mongodb": {
-      "version": "5.5.0",
-      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-5.5.0.tgz",
-      "integrity": "sha512-XgrkUgAAdfnZKQfk5AsYL8j7O99WHd4YXPxYxnh8dZxD+ekYWFRA3JktUsBnfg+455Smf75/+asoU/YLwNGoQQ==",
+      "version": "5.8.1",
+      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-5.8.1.tgz",
+      "integrity": "sha512-wKyh4kZvm6NrCPH8AxyzXm3JBoEf4Xulo0aUWh3hCgwgYJxyQ1KLST86ZZaSWdj6/kxYUA3+YZuyADCE61CMSg==",
       "dependencies": {
-        "bson": "^5.3.0",
+        "bson": "^5.4.0",
         "mongodb-connection-string-url": "^2.6.0",
         "socks": "^2.7.1"
       },
@@ -1289,10 +1298,12 @@
         "node": ">=14.20.1"
       },
       "optionalDependencies": {
-        "saslprep": "^1.0.3"
+        "@mongodb-js/saslprep": "^1.1.0"
       },
       "peerDependencies": {
-        "@aws-sdk/credential-providers": "^3.201.0",
+        "@aws-sdk/credential-providers": "^3.188.0",
+        "@mongodb-js/zstd": "^1.0.0",
+        "kerberos": "^1.0.0 || ^2.0.0",
         "mongodb-client-encryption": ">=2.3.0 <3",
         "snappy": "^7.2.2"
       },
@@ -1300,6 +1311,12 @@
         "@aws-sdk/credential-providers": {
           "optional": true
         },
+        "@mongodb-js/zstd": {
+          "optional": true
+        },
+        "kerberos": {
+          "optional": true
+        },
         "mongodb-client-encryption": {
           "optional": true
         },
@@ -1318,13 +1335,13 @@
       }
     },
     "node_modules/mongoose": {
-      "version": "7.2.4",
-      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-7.2.4.tgz",
-      "integrity": "sha512-BWcgShV2WH1rspICiJKLPi7QssTebpGJ23Nyk7qG0TMEE/OEAlsQKEhI7VlrXg4ZnoOcHgG+N+upW9tj17TTQg==",
+      "version": "7.5.0",
+      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-7.5.0.tgz",
+      "integrity": "sha512-FpOWOb0AJuaVcplmEyIJ2eCbVGe4gOoniPD+pmft5BrGrNrsFcnYXlERdXtBApGHMHPwD7WbxTyhCbUNr72F3Q==",
       "dependencies": {
-        "bson": "^5.3.0",
+        "bson": "^5.4.0",
         "kareem": "2.5.1",
-        "mongodb": "5.5.0",
+        "mongodb": "5.8.1",
         "mpath": "0.9.0",
         "mquery": "5.0.0",
         "ms": "2.1.3",
@@ -1651,18 +1668,6 @@
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
       "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
     },
-    "node_modules/saslprep": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/saslprep/-/saslprep-1.0.3.tgz",
-      "integrity": "sha512-/MY/PEMbk2SuY5sScONwhUDsV2p77Znkb/q3nSVstq/yQzYJOH/Azh29p9oJLsl3LnQwSvZDKagDGBsBwSooag==",
-      "optional": true,
-      "dependencies": {
-        "sparse-bitfield": "^3.0.3"
-      },
-      "engines": {
-        "node": ">=6"
-      }
-    },
     "node_modules/semver": {
       "version": "7.5.1",
       "resolved": "https://registry.npmjs.org/semver/-/semver-7.5.1.tgz",
@@ -2185,15 +2190,24 @@
         "tar": "^6.1.11"
       }
     },
+    "@mongodb-js/saslprep": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@mongodb-js/saslprep/-/saslprep-1.1.0.tgz",
+      "integrity": "sha512-Xfijy7HvfzzqiOAhAepF4SGN5e9leLkMvg/OPOF97XemjfVCYN/oWa75wnkc6mltMSTwY+XlbhWgUOJmkFspSw==",
+      "optional": true,
+      "requires": {
+        "sparse-bitfield": "^3.0.3"
+      }
+    },
     "@tootallnate/once": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/@tootallnate/once/-/once-2.0.0.tgz",
       "integrity": "sha512-XCuKFP5PS55gnMVu3dty8KPatLqUoy/ZYzDzAGCQ8JNFCkLXzmI7vNHCR+XpbZaMWQK/vQubr7PkYq8g470J/A=="
     },
     "@types/node": {
-      "version": "20.3.0",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.3.0.tgz",
-      "integrity": "sha512-cumHmIAf6On83X7yP+LrsEyUOf/YlociZelmpRYaGFydoaPdxdt80MAbu6vWerQT2COCp2nPvHdsbD7tHn/YlQ=="
+      "version": "20.5.7",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.5.7.tgz",
+      "integrity": "sha512-dP7f3LdZIysZnmvP3ANJYTSwg+wLLl8p7RqniVlV7j+oXSXAbt9h0WIBFmJy5inWZoX9wZN6eXx+YXd9Rh3RBA=="
     },
     "@types/webidl-conversions": {
       "version": "7.0.0",
@@ -2337,9 +2351,9 @@
       }
     },
     "bson": {
-      "version": "5.3.0",
-      "resolved": "https://registry.npmjs.org/bson/-/bson-5.3.0.tgz",
-      "integrity": "sha512-ukmCZMneMlaC5ebPHXIkP8YJzNl5DC41N5MAIvKDqLggdao342t4McltoJBQfQya/nHBWAcSsYRqlXPoQkTJag=="
+      "version": "5.4.0",
+      "resolved": "https://registry.npmjs.org/bson/-/bson-5.4.0.tgz",
+      "integrity": "sha512-WRZ5SQI5GfUuKnPTNmAYPiKIof3ORXAF4IRU5UcgmivNIon01rWQlw5RUH954dpu8yGL8T59YShVddIPaU/gFA=="
     },
     "buffer-equal-constant-time": {
       "version": "1.0.1",
@@ -2937,13 +2951,13 @@
       "integrity": "sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw=="
     },
     "mongodb": {
-      "version": "5.5.0",
-      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-5.5.0.tgz",
-      "integrity": "sha512-XgrkUgAAdfnZKQfk5AsYL8j7O99WHd4YXPxYxnh8dZxD+ekYWFRA3JktUsBnfg+455Smf75/+asoU/YLwNGoQQ==",
+      "version": "5.8.1",
+      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-5.8.1.tgz",
+      "integrity": "sha512-wKyh4kZvm6NrCPH8AxyzXm3JBoEf4Xulo0aUWh3hCgwgYJxyQ1KLST86ZZaSWdj6/kxYUA3+YZuyADCE61CMSg==",
       "requires": {
-        "bson": "^5.3.0",
+        "@mongodb-js/saslprep": "^1.1.0",
+        "bson": "^5.4.0",
         "mongodb-connection-string-url": "^2.6.0",
-        "saslprep": "^1.0.3",
         "socks": "^2.7.1"
       }
     },
@@ -2957,13 +2971,13 @@
       }
     },
     "mongoose": {
-      "version": "7.2.4",
-      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-7.2.4.tgz",
-      "integrity": "sha512-BWcgShV2WH1rspICiJKLPi7QssTebpGJ23Nyk7qG0TMEE/OEAlsQKEhI7VlrXg4ZnoOcHgG+N+upW9tj17TTQg==",
+      "version": "7.5.0",
+      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-7.5.0.tgz",
+      "integrity": "sha512-FpOWOb0AJuaVcplmEyIJ2eCbVGe4gOoniPD+pmft5BrGrNrsFcnYXlERdXtBApGHMHPwD7WbxTyhCbUNr72F3Q==",
       "requires": {
-        "bson": "^5.3.0",
+        "bson": "^5.4.0",
         "kareem": "2.5.1",
-        "mongodb": "5.5.0",
+        "mongodb": "5.8.1",
         "mpath": "0.9.0",
         "mquery": "5.0.0",
         "ms": "2.1.3",
@@ -3190,15 +3204,6 @@
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
       "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
     },
-    "saslprep": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/saslprep/-/saslprep-1.0.3.tgz",
-      "integrity": "sha512-/MY/PEMbk2SuY5sScONwhUDsV2p77Znkb/q3nSVstq/yQzYJOH/Azh29p9oJLsl3LnQwSvZDKagDGBsBwSooag==",
-      "optional": true,
-      "requires": {
-        "sparse-bitfield": "^3.0.3"
-      }
-    },
     "semver": {
       "version": "7.5.1",
       "resolved": "https://registry.npmjs.org/semver/-/semver-7.5.1.tgz",