diff --git a/app/index.js b/app/index.js
index 27cf931..4dc521c 100644
--- a/app/index.js
+++ b/app/index.js
@@ -1,7 +1,7 @@
 const proxy = require('express-http-proxy');
 const basicAuth = require('basic-auth');
 const Ldap = require('./ldap');
-const fetch = require('node-fetch');
+const fetch = (...args) => import('node-fetch').then(({default: fetch}) => fetch(...args));
 const createHmac = require('crypto').createHmac;
 const session = require('express-session');
 const bodyParser = require('body-parser');
diff --git a/package-lock.json b/package-lock.json
index 755be71..e21fe38 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,15 +12,15 @@
         "body-parser": "^1.19.0",
         "cors": "^2.8.5",
         "express": "^4.17.1",
-        "express-http-proxy": "^1.6.0",
+        "express-http-proxy": "^2.1.1",
         "express-robots-txt": "^1.0.0",
         "express-session": "^1.17.1",
         "fs": "0.0.1-security",
         "ldapjs": "^2.2.0",
         "memoizee": "^0.4.15",
         "morgan": "^1.9.1",
-        "node-fetch": "^2.6.1",
-        "yaml": "^1.10.2"
+        "node-fetch": "^3.3.2",
+        "yaml": "^2.6.1"
       },
       "devDependencies": {
         "frisby": "^2.1.3",
@@ -1805,6 +1805,15 @@
         "node": ">=0.12"
       }
     },
+    "node_modules/data-uri-to-buffer": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/data-uri-to-buffer/-/data-uri-to-buffer-4.0.1.tgz",
+      "integrity": "sha512-0R9ikRb668HB7QDxT1vkpuUBtqc53YyAwMwGeUFKRojY/NWKvdZ+9UYtRfGmhqNbRkTSVpMbmyhXipFFv2cb/A==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 12"
+      }
+    },
     "node_modules/debug": {
       "version": "2.6.9",
       "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
@@ -1965,7 +1974,7 @@
       "version": "0.1.13",
       "resolved": "https://registry.npmjs.org/encoding/-/encoding-0.1.13.tgz",
       "integrity": "sha512-ETBauow1T35Y/WZMkio9jiM0Z5xjHHmJ4XmjZOq1l/dXz3lr2sRn87nJy20RupqSh1F2m3HHPSp8ShIPQJrJ3A==",
-      "devOptional": true,
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "iconv-lite": "^0.6.2"
@@ -1975,7 +1984,7 @@
       "version": "0.6.3",
       "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.6.3.tgz",
       "integrity": "sha512-4fCk79wshMdzMp2rH06qWrJE4iolqLhCUH+OiuIgU++RB0+94NlDL81atO7GX55uUKueo0txHNtvEyI6D7WdMw==",
-      "devOptional": true,
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "safer-buffer": ">= 2.1.2 < 3.0.0"
@@ -2253,9 +2262,9 @@
       }
     },
     "node_modules/express-http-proxy": {
-      "version": "1.6.3",
-      "resolved": "https://registry.npmjs.org/express-http-proxy/-/express-http-proxy-1.6.3.tgz",
-      "integrity": "sha512-/l77JHcOUrDUX8V67E287VEUQT0lbm71gdGVoodnlWBziarYKgMcpqT7xvh/HM8Jv52phw8Bd8tY+a7QjOr7Yg==",
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/express-http-proxy/-/express-http-proxy-2.1.1.tgz",
+      "integrity": "sha512-4aRQRqDQU7qNPV5av0/hLcyc0guB9UP71nCYrQEYml7YphTo8tmWf3nDZWdTJMMjFikyz9xKXaURor7Chygdwg==",
       "license": "MIT",
       "dependencies": {
         "debug": "^3.0.1",
@@ -2399,6 +2408,29 @@
         "bser": "2.1.1"
       }
     },
+    "node_modules/fetch-blob": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/fetch-blob/-/fetch-blob-3.2.0.tgz",
+      "integrity": "sha512-7yAQpD2UMJzLi1Dqv7qFYnPbaPx7ZfFK6PiIxQ4PfkGPyNyl2Ugx+a/umUonmKqjhM4DnfbMvdX6otXq83soQQ==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/jimmywarting"
+        },
+        {
+          "type": "paypal",
+          "url": "https://paypal.me/jimmywarting"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "node-domexception": "^1.0.0",
+        "web-streams-polyfill": "^3.0.3"
+      },
+      "engines": {
+        "node": "^12.20 || >= 14.13"
+      }
+    },
     "node_modules/fill-range": {
       "version": "7.1.1",
       "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.1.1.tgz",
@@ -2481,6 +2513,18 @@
       ],
       "license": "MIT"
     },
+    "node_modules/formdata-polyfill": {
+      "version": "4.0.10",
+      "resolved": "https://registry.npmjs.org/formdata-polyfill/-/formdata-polyfill-4.0.10.tgz",
+      "integrity": "sha512-buewHzMvYL29jdeQTVILecSaZKnt/RJWjoZCF5OW60Z67/GmSLBkOFM7qh1PI3zFNtJbaZL5eQu1vLfazOwj4g==",
+      "license": "MIT",
+      "dependencies": {
+        "fetch-blob": "^3.1.2"
+      },
+      "engines": {
+        "node": ">=12.20.0"
+      }
+    },
     "node_modules/forwarded": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.2.0.tgz",
@@ -2516,6 +2560,27 @@
         "node": ">= 8.0.0"
       }
     },
+    "node_modules/frisby/node_modules/node-fetch": {
+      "version": "2.7.0",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.7.0.tgz",
+      "integrity": "sha512-c4FRfUm/dbcWZ7U+1Wq0AwCyFL+3nt2bEw05wfxSz+DWpWsitgmSgYmy2dQdWyKC1694ELPqMs/YzUSNozLt8A==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "whatwg-url": "^5.0.0"
+      },
+      "engines": {
+        "node": "4.x || >=6.0.0"
+      },
+      "peerDependencies": {
+        "encoding": "^0.1.0"
+      },
+      "peerDependenciesMeta": {
+        "encoding": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/fs": {
       "version": "0.0.1-security",
       "resolved": "https://registry.npmjs.org/fs/-/fs-0.0.1-security.tgz",
@@ -4022,24 +4087,41 @@
       "integrity": "sha512-CXdUiJembsNjuToQvxayPZF9Vqht7hewsvy2sOWafLvi2awflj9mOC6bHIg50orX8IJvWKY9wYQ/zB2kogPslQ==",
       "license": "ISC"
     },
+    "node_modules/node-domexception": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/node-domexception/-/node-domexception-1.0.0.tgz",
+      "integrity": "sha512-/jKZoMpw0F8GRwl4/eLROPA3cfcXtLApP0QzLmUT/HuPCZWyB7IY9ZrMeKw2O/nFIqPQB3PVM9aYm0F312AXDQ==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/jimmywarting"
+        },
+        {
+          "type": "github",
+          "url": "https://paypal.me/jimmywarting"
+        }
+      ],
+      "license": "MIT",
+      "engines": {
+        "node": ">=10.5.0"
+      }
+    },
     "node_modules/node-fetch": {
-      "version": "2.7.0",
-      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.7.0.tgz",
-      "integrity": "sha512-c4FRfUm/dbcWZ7U+1Wq0AwCyFL+3nt2bEw05wfxSz+DWpWsitgmSgYmy2dQdWyKC1694ELPqMs/YzUSNozLt8A==",
+      "version": "3.3.2",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-3.3.2.tgz",
+      "integrity": "sha512-dRB78srN/l6gqWulah9SrxeYnxeddIG30+GOqK/9OlLVyLg3HPnr6SqOWTWOXKRwC2eGYCkZ59NNuSgvSrpgOA==",
       "license": "MIT",
       "dependencies": {
-        "whatwg-url": "^5.0.0"
+        "data-uri-to-buffer": "^4.0.0",
+        "fetch-blob": "^3.1.4",
+        "formdata-polyfill": "^4.0.10"
       },
       "engines": {
-        "node": "4.x || >=6.0.0"
-      },
-      "peerDependencies": {
-        "encoding": "^0.1.0"
+        "node": "^12.20.0 || ^14.13.1 || >=16.0.0"
       },
-      "peerDependenciesMeta": {
-        "encoding": {
-          "optional": true
-        }
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/node-fetch"
       }
     },
     "node_modules/node-int64": {
@@ -4970,6 +5052,7 @@
       "version": "0.0.3",
       "resolved": "https://registry.npmjs.org/tr46/-/tr46-0.0.3.tgz",
       "integrity": "sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw==",
+      "dev": true,
       "license": "MIT"
     },
     "node_modules/type": {
@@ -5156,16 +5239,27 @@
         "makeerror": "1.0.12"
       }
     },
+    "node_modules/web-streams-polyfill": {
+      "version": "3.3.3",
+      "resolved": "https://registry.npmjs.org/web-streams-polyfill/-/web-streams-polyfill-3.3.3.tgz",
+      "integrity": "sha512-d2JWLCivmZYTSIoge9MsgFCZrt571BikcWGYkjC1khllbTeDlGqZ2D8vD8E/lJa8WGWbb7Plm8/XJYV7IJHZZw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 8"
+      }
+    },
     "node_modules/webidl-conversions": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
       "integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ==",
+      "dev": true,
       "license": "BSD-2-Clause"
     },
     "node_modules/whatwg-url": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-5.0.0.tgz",
       "integrity": "sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "tr46": "~0.0.3",
@@ -5244,12 +5338,15 @@
       "license": "ISC"
     },
     "node_modules/yaml": {
-      "version": "1.10.2",
-      "resolved": "https://registry.npmjs.org/yaml/-/yaml-1.10.2.tgz",
-      "integrity": "sha512-r3vXyErRCYJ7wg28yvBY5VSoAF8ZvlcW9/BwUzEtUsjvX/DKs24dIkuwjtuprwJJHsbyUbLApepYTR1BN4uHrg==",
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/yaml/-/yaml-2.6.1.tgz",
+      "integrity": "sha512-7r0XPzioN/Q9kXBro/XPnA6kznR73DHq+GXh5ON7ZozRO6aMjbmiBuKste2wslTFkC5d1dw0GooOCepZXJ2SAg==",
       "license": "ISC",
+      "bin": {
+        "yaml": "bin.mjs"
+      },
       "engines": {
-        "node": ">= 6"
+        "node": ">= 14"
       }
     },
     "node_modules/yargs": {
diff --git a/package.json b/package.json
index a669f78..efa9713 100644
--- a/package.json
+++ b/package.json
@@ -20,15 +20,15 @@
     "body-parser": "^1.19.0",
     "cors": "^2.8.5",
     "express": "^4.17.1",
-    "express-http-proxy": "^1.6.0",
+    "express-http-proxy": "^2.1.1",
     "express-robots-txt": "^1.0.0",
     "express-session": "^1.17.1",
     "fs": "0.0.1-security",
     "ldapjs": "^2.2.0",
     "memoizee": "^0.4.15",
     "morgan": "^1.9.1",
-    "node-fetch": "^2.6.1",
-    "yaml": "^1.10.2"
+    "node-fetch": "^3.3.2",
+    "yaml": "^2.6.1"
   },
   "devDependencies": {
     "frisby": "^2.1.3",