diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2b84c134..b7eff28f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## 0.12.0 2025-08-29
+
+- replaced dependency 'request' with built-in fetch() API
+- require Node >= 20
+
 ## 0.11.0 2025-08-11
 
 - upgraded Newtonsoft.Json from 9.0.1 to 13.0.1
diff --git a/package-lock.json b/package-lock.json
index 748edec0..f67b4103 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@azure/oad",
-  "version": "0.11.0",
+  "version": "0.12.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@azure/oad",
-      "version": "0.11.0",
+      "version": "0.12.0",
       "license": "MIT",
       "dependencies": {
         "@ts-common/fs": "^0.2.0",
@@ -24,7 +24,6 @@
         "kind-of": "^6.0.3",
         "lodash": "^4.17.21",
         "minimist": "^1.2.8",
-        "request": "^2.88.0",
         "set-value": "^4.1.0",
         "shell-quote": "^1.8.3",
         "source-map": "^0.7.4",
@@ -42,8 +41,7 @@
         "@types/jest": "^29.5.12",
         "@types/js-yaml": "^3.12.1",
         "@types/json-pointer": "^1.0.30",
-        "@types/node": "^18.11.9",
-        "@types/request": "^2.48.1",
+        "@types/node": "^20.0.0",
         "@types/shell-quote": "^1.7.5",
         "@types/yargs": "^13.0.0",
         "eslint": "^8.57.0",
@@ -54,7 +52,7 @@
         "typescript-eslint": "^7.13.0"
       },
       "engines": {
-        "node": ">=18.0.0"
+        "node": ">=20.0.0"
       }
     },
     "node_modules/@ampproject/remapping": {
@@ -1387,13 +1385,6 @@
         "@babel/types": "^7.28.2"
       }
     },
-    "node_modules/@types/caseless": {
-      "version": "0.12.5",
-      "resolved": "https://registry.npmjs.org/@types/caseless/-/caseless-0.12.5.tgz",
-      "integrity": "sha512-hWtVTC2q7hc7xZ/RLbxapMvDMgUnDvKvMOpKal4DrMyfGBUfB1oKaZlIRr6mJL+If3bAP6sV/QneGzF6tJjZDg==",
-      "dev": true,
-      "license": "MIT"
-    },
     "node_modules/@types/eslint": {
       "version": "9.6.1",
       "resolved": "https://registry.npmjs.org/@types/eslint/-/eslint-9.6.1.tgz",
@@ -1492,26 +1483,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "18.19.123",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.19.123.tgz",
-      "integrity": "sha512-K7DIaHnh0mzVxreCR9qwgNxp3MH9dltPNIEddW9MYUlcKAzm+3grKNSTe2vCJHI1FaLpvpL5JGJrz1UZDKYvDg==",
+      "version": "20.19.11",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.19.11.tgz",
+      "integrity": "sha512-uug3FEEGv0r+jrecvUUpbY8lLisvIjg6AAic6a2bSP5OEOLeJsDSnvhCDov7ipFFMXS3orMpzlmi0ZcuGkBbow==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~5.26.4"
-      }
-    },
-    "node_modules/@types/request": {
-      "version": "2.48.13",
-      "resolved": "https://registry.npmjs.org/@types/request/-/request-2.48.13.tgz",
-      "integrity": "sha512-FGJ6udDNUCjd19pp0Q3iTiDkwhYup7J8hpMW9c4k53NrccQFFWKRho6hvtPPEhnXWKvukfwAlB6DbDz4yhH5Gg==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "@types/caseless": "*",
-        "@types/node": "*",
-        "@types/tough-cookie": "*",
-        "form-data": "^2.5.5"
+        "undici-types": "~6.21.0"
       }
     },
     "node_modules/@types/shell-quote": {
@@ -1528,13 +1506,6 @@
       "dev": true,
       "license": "MIT"
     },
-    "node_modules/@types/tough-cookie": {
-      "version": "4.0.5",
-      "resolved": "https://registry.npmjs.org/@types/tough-cookie/-/tough-cookie-4.0.5.tgz",
-      "integrity": "sha512-/Ad8+nIOV7Rl++6f1BdKxFSMgmoqEoYbHRpPcx3JEfv8VRsQe9Z4mCXeJBzxs7mbHY/XOZZuXlRNfhpVPbs6ZA==",
-      "dev": true,
-      "license": "MIT"
-    },
     "node_modules/@types/triple-beam": {
       "version": "1.3.5",
       "resolved": "https://registry.npmjs.org/@types/triple-beam/-/triple-beam-1.3.5.tgz",
@@ -1813,6 +1784,7 @@
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+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "fast-deep-equal": "^3.1.1",
@@ -1919,24 +1891,6 @@
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       "license": "MIT"
     },
-    "node_modules/asn1": {
-      "version": "0.2.6",
-      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.6.tgz",
-      "integrity": "sha512-ix/FxPn0MDjeyJ7i/yoHGFt/EX6LyNbxSEhPPXODPL+KB0VPk86UYfL0lMdy+KCnv+fmvIzySwaK5COwqVbWTQ==",
-      "license": "MIT",
-      "dependencies": {
-        "safer-buffer": "~2.1.0"
-      }
-    },
-    "node_modules/assert-plus": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
-      "integrity": "sha512-NfJ4UzBCcQGLDlQq7nHxH+tv3kyZ0hHQqF5BO6J7tNJeP5do1llPr8dZ8zHonfhAu0PHAdMkSo+8o0wxg9lZWw==",
-      "license": "MIT",
-      "engines": {
-        "node": ">=0.8"
-      }
-    },
     "node_modules/async": {
       "version": "3.2.6",
       "resolved": "https://registry.npmjs.org/async/-/async-3.2.6.tgz",
@@ -1962,21 +1916,6 @@
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-    "node_modules/aws-sign2": {
-      "version": "0.7.0",
-      "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
-      "integrity": "sha512-08kcGqnYf/YmjoRhfxyu+CLxBjUtHLXLXX/vUfx9l2LYzG3c1m61nrpyFUZI6zeS+Li/wWMMidD9KgrqtGq3mA==",
-      "license": "Apache-2.0",
-      "engines": {
-        "node": "*"
-      }
-    },
-    "node_modules/aws4": {
-      "version": "1.13.2",
-      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.13.2.tgz",
-      "integrity": "sha512-lHe62zvbTB5eEABUVi/AwVh0ZKY9rMMDhmm+eeyuuUQbQ3+J+fONVQOZyj+DdrvD4BY33uYniyRJ4UJIaSKAfw==",
-      "license": "MIT"
-    },
     "node_modules/babel-jest": {
       "version": "29.7.0",
       "resolved": "https://registry.npmjs.org/babel-jest/-/babel-jest-29.7.0.tgz",
@@ -2099,15 +2038,6 @@
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       "license": "MIT"
     },
-    "node_modules/bcrypt-pbkdf": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
-      "integrity": "sha512-qeFIXtP4MSoi6NLqO12WfqARWWuCKi2Rn/9hJLEmtB5yTNr9DqFWkJRCf2qShWzPeAMRnOgCrq0sg/KLv5ES9w==",
-      "license": "BSD-3-Clause",
-      "dependencies": {
-        "tweetnacl": "^0.14.3"
-      }
-    },
     "node_modules/brace-expansion": {
       "version": "1.1.12",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.12.tgz",
@@ -2263,12 +2193,6 @@
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       "license": "CC-BY-4.0"
     },
-    "node_modules/caseless": {
-      "version": "0.12.0",
-      "resolved": "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz",
-      "integrity": "sha512-4tYFyifaFfGacoiObjJegolkwSU4xQNGbVgUiNYVUxbQ2x2lUsFvY4hVgVzGiIe6WLOPqycWXA40l+PWsxthUw==",
-      "license": "Apache-2.0"
-    },
     "node_modules/chalk": {
       "version": "4.1.2",
       "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.2.tgz",
@@ -2482,12 +2406,6 @@
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       "license": "MIT"
     },
-    "node_modules/core-util-is": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
-      "integrity": "sha512-3lqz5YjWTYnW6dlDa5TLaTCcShfar1e40rmcJVwCBJC6mWlFuj0eCHIElmG1g5kyuJ/GD+8Wn4FFCcz4gJPfaQ==",
-      "license": "MIT"
-    },
     "node_modules/create-jest": {
       "version": "29.7.0",
       "resolved": "https://registry.npmjs.org/create-jest/-/create-jest-29.7.0.tgz",
@@ -2525,18 +2443,6 @@
         "node": ">= 8"
       }
     },
-    "node_modules/dashdash": {
-      "version": "1.14.1",
-      "resolved": "https://registry.npmjs.org/dashdash/-/dashdash-1.14.1.tgz",
-      "integrity": "sha512-jRFi8UDGo6j+odZiEpjazZaWqEal3w/basFjQHQEwVtZJGDpxbH1MeYluwCS8Xq5wmLJooDlMgvVarmWfGM44g==",
-      "license": "MIT",
-      "dependencies": {
-        "assert-plus": "^1.0.0"
-      },
-      "engines": {
-        "node": ">=0.10"
-      }
-    },
     "node_modules/debug": {
       "version": "4.4.1",
       "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.1.tgz",
@@ -2674,16 +2580,6 @@
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       }
     },
-    "node_modules/ecc-jsbn": {
-      "version": "0.1.2",
-      "resolved": "https://registry.npmjs.org/ecc-jsbn/-/ecc-jsbn-0.1.2.tgz",
-      "integrity": "sha512-eh9O+hwRHNbG4BLTjEl3nw044CkGm5X6LoaCf7LPp7UU8Qrt47JYNi6nPX8xjW97TKGKm1ouctg0QSpZe9qrnw==",
-      "license": "MIT",
-      "dependencies": {
-        "jsbn": "~0.1.0",
-        "safer-buffer": "^2.1.0"
-      }
-    },
     "node_modules/electron-to-chromium": {
       "version": "1.5.211",
       "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.5.211.tgz",
@@ -3061,25 +2957,11 @@
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       }
     },
-    "node_modules/extend": {
-      "version": "3.0.2",
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-        "node >=0.6.0"
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+      "dev": true,
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@@ -3116,6 +2998,7 @@
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+      "dev": true,
       "license": "MIT"
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@@ -3234,31 +3117,20 @@
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-      "license": "Apache-2.0",
-      "engines": {
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-      "dev": true,
+      "version": "4.0.4",
+      "resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.4.tgz",
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         "hasown": "^2.0.2",
-        "mime-types": "^2.1.35",
-        "safe-buffer": "^5.2.1"
+        "mime-types": "^2.1.12"
       },
       "engines": {
-        "node": ">= 0.12"
+        "node": ">= 6"
       }
     },
     "node_modules/formidable": {
@@ -3276,21 +3148,6 @@
         "url": "https://ko-fi.com/tunnckoCore/commissions"
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-      "dependencies": {
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-      },
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-        "node": ">=0.6"
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-      "funding": {
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@@ -3400,15 +3257,6 @@
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-    },
     "node_modules/jsesc": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-3.1.0.tgz",
@@ -4749,16 +4541,11 @@
         "node": ">=0.8"
       }
     },
-    "node_modules/json-schema": {
-      "version": "0.4.0",
-      "resolved": "https://registry.npmjs.org/json-schema/-/json-schema-0.4.0.tgz",
-      "integrity": "sha512-es94M3nTIfsEPisRafak+HDLfHXnKBhV3vU5eqPcS3flIWqcxJWgXHXiey3YrpaNsanY5ei1VoYEbOzijuq9BA==",
-      "license": "(AFL-2.1 OR BSD-3-Clause)"
-    },
     "node_modules/json-schema-traverse": {
       "version": "0.4.1",
       "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
       "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==",
+      "dev": true,
       "license": "MIT"
     },
     "node_modules/json-stable-stringify-without-jsonify": {
@@ -4768,12 +4555,6 @@
       "dev": true,
       "license": "MIT"
     },
-    "node_modules/json-stringify-safe": {
-      "version": "5.0.1",
-      "resolved": "https://registry.npmjs.org/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz",
-      "integrity": "sha512-ZClg6AaYvamvYEE82d3Iyd3vSSIjQ+odgjaTzRuO3s7toCdFKczob2i0zCh7JE8kWn17yvAWhUVxvqGwUalsRA==",
-      "license": "ISC"
-    },
     "node_modules/json5": {
       "version": "2.2.3",
       "resolved": "https://registry.npmjs.org/json5/-/json5-2.2.3.tgz",
@@ -4787,21 +4568,6 @@
         "node": ">=6"
       }
     },
-    "node_modules/jsprim": {
-      "version": "1.4.2",
-      "resolved": "https://registry.npmjs.org/jsprim/-/jsprim-1.4.2.tgz",
-      "integrity": "sha512-P2bSOMAc/ciLz6DzgjVlGJP9+BrJWu5UDGK70C2iweC5QBIeFf0ZXRvGjEj2uYgrY2MkAAhsSWHDWlFtEroZWw==",
-      "license": "MIT",
-      "dependencies": {
-        "assert-plus": "1.0.0",
-        "extsprintf": "1.3.0",
-        "json-schema": "0.4.0",
-        "verror": "1.10.0"
-      },
-      "engines": {
-        "node": ">=0.6.0"
-      }
-    },
     "node_modules/keyv": {
       "version": "4.5.4",
       "resolved": "https://registry.npmjs.org/keyv/-/keyv-4.5.4.tgz",
@@ -5153,15 +4919,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/oauth-sign": {
-      "version": "0.9.0",
-      "resolved": "https://registry.npmjs.org/oauth-sign/-/oauth-sign-0.9.0.tgz",
-      "integrity": "sha512-fexhUFFPTGV8ybAtSIGbV6gOkSv8UtRbDBnAyLQw4QPKkgNlsH2ByPGtMUqdWkos6YCRmAqViwgZrJc/mRDzZQ==",
-      "license": "Apache-2.0",
-      "engines": {
-        "node": "*"
-      }
-    },
     "node_modules/object-inspect": {
       "version": "1.13.4",
       "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.4.tgz",
@@ -5355,12 +5112,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/performance-now": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/performance-now/-/performance-now-2.1.0.tgz",
-      "integrity": "sha512-7EAHlyLHI56VEIdK57uwHdHKIaAGbnXPiw0yWbarQZOKaKpvUIgW0jWRVLiatnM+XXlSwsanIBH/hzGMJulMow==",
-      "license": "MIT"
-    },
     "node_modules/picocolors": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.1.1.tgz",
@@ -5528,18 +5279,6 @@
         "node": ">= 6"
       }
     },
-    "node_modules/psl": {
-      "version": "1.15.0",
-      "resolved": "https://registry.npmjs.org/psl/-/psl-1.15.0.tgz",
-      "integrity": "sha512-JZd3gMVBAVQkSs6HdNZo9Sdo0LNcQeMNP3CozBJb3JYC/QUYZTnKxP+f8oWRX4rHP5EurWxqAHTSwUCjlNKa1w==",
-      "license": "MIT",
-      "dependencies": {
-        "punycode": "^2.3.1"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/lupomontero"
-      }
-    },
     "node_modules/punycode": {
       "version": "2.3.1",
       "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.3.1.tgz",
@@ -5567,12 +5306,18 @@
       "license": "MIT"
     },
     "node_modules/qs": {
-      "version": "6.5.3",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.3.tgz",
-      "integrity": "sha512-qxXIEh4pCGfHICj1mAJQ2/2XVZkjCDTcEgfoSQxc/fYivUZxTkk7L3bDBJSoNrEzXI17oUO5Dp07ktqE5KzczA==",
+      "version": "6.14.0",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.14.0.tgz",
+      "integrity": "sha512-YWWTjgABSKcvs/nWBi9PycY/JiPJqOD4JA6o9Sej2AtvSGarXxKC3OQSk4pAarbdQlKAh5D4FCQkJNkW+GAn3w==",
       "license": "BSD-3-Clause",
+      "dependencies": {
+        "side-channel": "^1.1.0"
+      },
       "engines": {
         "node": ">=0.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
       }
     },
     "node_modules/queue-microtask": {
@@ -5617,52 +5362,6 @@
         "node": ">= 6"
       }
     },
-    "node_modules/request": {
-      "version": "2.88.2",
-      "resolved": "https://registry.npmjs.org/request/-/request-2.88.2.tgz",
-      "integrity": "sha512-MsvtOrfG9ZcrOwAW+Qi+F6HbD0CWXEh9ou77uOb7FM2WPhwT7smM833PzanhJLsgXjN89Ir6V2PczXNnMpwKhw==",
-      "deprecated": "request has been deprecated, see https://github.com/request/request/issues/3142",
-      "license": "Apache-2.0",
-      "dependencies": {
-        "aws-sign2": "~0.7.0",
-        "aws4": "^1.8.0",
-        "caseless": "~0.12.0",
-        "combined-stream": "~1.0.6",
-        "extend": "~3.0.2",
-        "forever-agent": "~0.6.1",
-        "form-data": "~2.3.2",
-        "har-validator": "~5.1.3",
-        "http-signature": "~1.2.0",
-        "is-typedarray": "~1.0.0",
-        "isstream": "~0.1.2",
-        "json-stringify-safe": "~5.0.1",
-        "mime-types": "~2.1.19",
-        "oauth-sign": "~0.9.0",
-        "performance-now": "^2.1.0",
-        "qs": "~6.5.2",
-        "safe-buffer": "^5.1.2",
-        "tough-cookie": "~2.5.0",
-        "tunnel-agent": "^0.6.0",
-        "uuid": "^3.3.2"
-      },
-      "engines": {
-        "node": ">= 6"
-      }
-    },
-    "node_modules/request/node_modules/form-data": {
-      "version": "2.3.3",
-      "resolved": "https://registry.npmjs.org/form-data/-/form-data-2.3.3.tgz",
-      "integrity": "sha512-1lLKB2Mu3aGP1Q/2eCOx0fNbRMe7XdwktwOruhfqqd0rIJWwN4Dh+E3hrPSlDCXnSR7UtZ1N38rVXm+6+MEhJQ==",
-      "license": "MIT",
-      "dependencies": {
-        "asynckit": "^0.4.0",
-        "combined-stream": "^1.0.6",
-        "mime-types": "^2.1.12"
-      },
-      "engines": {
-        "node": ">= 0.12"
-      }
-    },
     "node_modules/require-directory": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/require-directory/-/require-directory-2.1.1.tgz",
@@ -5823,12 +5522,6 @@
         "node": ">=10"
       }
     },
-    "node_modules/safer-buffer": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
-      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
-      "license": "MIT"
-    },
     "node_modules/semver": {
       "version": "6.3.1",
       "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.1.tgz",
@@ -6044,31 +5737,6 @@
       "integrity": "sha512-D9cPgkvLlV3t3IzL0D0YLvGA9Ahk4PcvVwUbN0dSGr1aP0Nrt4AEnTUbuGvquEC0mA64Gqt1fzirlRs5ibXx8g==",
       "license": "BSD-3-Clause"
     },
-    "node_modules/sshpk": {
-      "version": "1.18.0",
-      "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.18.0.tgz",
-      "integrity": "sha512-2p2KJZTSqQ/I3+HX42EpYOa2l3f8Erv8MWKsy2I9uf4wA7yFIkXRffYdsx86y6z4vHtV8u7g+pPlr8/4ouAxsQ==",
-      "license": "MIT",
-      "dependencies": {
-        "asn1": "~0.2.3",
-        "assert-plus": "^1.0.0",
-        "bcrypt-pbkdf": "^1.0.0",
-        "dashdash": "^1.12.0",
-        "ecc-jsbn": "~0.1.1",
-        "getpass": "^0.1.1",
-        "jsbn": "~0.1.0",
-        "safer-buffer": "^2.0.2",
-        "tweetnacl": "~0.14.0"
-      },
-      "bin": {
-        "sshpk-conv": "bin/sshpk-conv",
-        "sshpk-sign": "bin/sshpk-sign",
-        "sshpk-verify": "bin/sshpk-verify"
-      },
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
     "node_modules/stack-trace": {
       "version": "0.0.10",
       "resolved": "https://registry.npmjs.org/stack-trace/-/stack-trace-0.0.10.tgz",
@@ -6228,37 +5896,6 @@
         "node": ">=6.4.0 <13 || >=14"
       }
     },
-    "node_modules/superagent/node_modules/form-data": {
-      "version": "4.0.4",
-      "resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.4.tgz",
-      "integrity": "sha512-KrGhL9Q4zjj0kiUt5OO4Mr/A/jlI2jDYs5eHBpYHPcBEVSiipAvn2Ko2HnPe20rmcuuvMHNdZFp+4IlGTMF0Ow==",
-      "license": "MIT",
-      "dependencies": {
-        "asynckit": "^0.4.0",
-        "combined-stream": "^1.0.8",
-        "es-set-tostringtag": "^2.1.0",
-        "hasown": "^2.0.2",
-        "mime-types": "^2.1.12"
-      },
-      "engines": {
-        "node": ">= 6"
-      }
-    },
-    "node_modules/superagent/node_modules/qs": {
-      "version": "6.14.0",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-6.14.0.tgz",
-      "integrity": "sha512-YWWTjgABSKcvs/nWBi9PycY/JiPJqOD4JA6o9Sej2AtvSGarXxKC3OQSk4pAarbdQlKAh5D4FCQkJNkW+GAn3w==",
-      "license": "BSD-3-Clause",
-      "dependencies": {
-        "side-channel": "^1.1.0"
-      },
-      "engines": {
-        "node": ">=0.6"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/ljharb"
-      }
-    },
     "node_modules/superagent/node_modules/semver": {
       "version": "7.7.2",
       "resolved": "https://registry.npmjs.org/semver/-/semver-7.7.2.tgz",
@@ -6345,19 +5982,6 @@
         "node": ">=8.0"
       }
     },
-    "node_modules/tough-cookie": {
-      "version": "2.5.0",
-      "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.5.0.tgz",
-      "integrity": "sha512-nlLsUzgm1kfLXSXfRZMc1KLAugd4hqJHDTvc2hDIwS3mZAfMEuMbc03SujMF+GEcpaX/qboeycw6iO8JwVv2+g==",
-      "license": "BSD-3-Clause",
-      "dependencies": {
-        "psl": "^1.1.28",
-        "punycode": "^2.1.1"
-      },
-      "engines": {
-        "node": ">=0.8"
-      }
-    },
     "node_modules/triple-beam": {
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/triple-beam/-/triple-beam-1.4.1.tgz",
@@ -6475,24 +6099,6 @@
       "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==",
       "license": "0BSD"
     },
-    "node_modules/tunnel-agent": {
-      "version": "0.6.0",
-      "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
-      "integrity": "sha512-McnNiV1l8RYeY8tBgEpuodCC1mLUdbSN+CYBL7kJsJNInOP8UjDDEwdk6Mw60vdLLrr5NHKZhMAOSrR2NZuQ+w==",
-      "license": "Apache-2.0",
-      "dependencies": {
-        "safe-buffer": "^5.0.1"
-      },
-      "engines": {
-        "node": "*"
-      }
-    },
-    "node_modules/tweetnacl": {
-      "version": "0.14.5",
-      "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
-      "integrity": "sha512-KXXFFdAbFXY4geFIwoyNK+f5Z1b7swfXABfL7HXCmoIWMKU3dmS26672A4EeQtDzLKy7SXmfBu51JolvEKwtGA==",
-      "license": "Unlicense"
-    },
     "node_modules/type-check": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.4.0.tgz",
@@ -6585,9 +6191,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "5.26.5",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
-      "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==",
+      "version": "6.21.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.21.0.tgz",
+      "integrity": "sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==",
       "dev": true,
       "license": "MIT"
     },
@@ -6637,16 +6243,6 @@
       "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==",
       "license": "MIT"
     },
-    "node_modules/uuid": {
-      "version": "3.4.0",
-      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.4.0.tgz",
-      "integrity": "sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A==",
-      "deprecated": "Please upgrade  to version 7 or higher.  Older versions may use Math.random() in certain circumstances, which is known to be problematic.  See https://v8.dev/blog/math-random for details.",
-      "license": "MIT",
-      "bin": {
-        "uuid": "bin/uuid"
-      }
-    },
     "node_modules/v8-to-istanbul": {
       "version": "9.3.0",
       "resolved": "https://registry.npmjs.org/v8-to-istanbul/-/v8-to-istanbul-9.3.0.tgz",
@@ -6662,20 +6258,6 @@
         "node": ">=10.12.0"
       }
     },
-    "node_modules/verror": {
-      "version": "1.10.0",
-      "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
-      "integrity": "sha512-ZZKSmDAEFOijERBLkmYfJ+vmk3w+7hOLYDNkRCuRuMJGEmqYNCNLyBBFwWKVMhfwaEF3WOd0Zlw86U/WC/+nYw==",
-      "engines": [
-        "node >=0.6.0"
-      ],
-      "license": "MIT",
-      "dependencies": {
-        "assert-plus": "^1.0.0",
-        "core-util-is": "1.0.2",
-        "extsprintf": "^1.2.0"
-      }
-    },
     "node_modules/walker": {
       "version": "1.0.8",
       "resolved": "https://registry.npmjs.org/walker/-/walker-1.0.8.tgz",
diff --git a/package.json b/package.json
index e9094add..be7825d3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@azure/oad",
-  "version": "0.11.0",
+  "version": "0.12.0",
   "author": {
     "name": "Microsoft Corporation",
     "email": "azsdkteam@microsoft.com",
@@ -24,7 +24,6 @@
     "kind-of": "^6.0.3",
     "lodash": "^4.17.21",
     "minimist": "^1.2.8",
-    "request": "^2.88.0",
     "set-value": "^4.1.0",
     "shell-quote": "^1.8.3",
     "source-map": "^0.7.4",
@@ -39,8 +38,7 @@
     "@types/jest": "^29.5.12",
     "@types/js-yaml": "^3.12.1",
     "@types/json-pointer": "^1.0.30",
-    "@types/node": "^18.11.9",
-    "@types/request": "^2.48.1",
+    "@types/node": "^20.0.0",
     "@types/shell-quote": "^1.7.5",
     "@types/yargs": "^13.0.0",
     "eslint": "^8.57.0",
@@ -59,7 +57,7 @@
     "url": "https://github.com/Azure/openapi-diff/issues"
   },
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=20.0.0"
   },
   "files": [
     "dist/lib",
diff --git a/src/lib/util/utils.ts b/src/lib/util/utils.ts
index 96f28c9a..96fddd8a 100644
--- a/src/lib/util/utils.ts
+++ b/src/lib/util/utils.ts
@@ -6,7 +6,6 @@ import * as fs from "fs"
 import * as YAML from "js-yaml"
 import * as jsonPointer from "json-pointer"
 import * as path from "path"
-import request = require("request")
 import * as util from "util"
 import { log } from "./logging"
 
@@ -135,44 +134,35 @@ export type Options = {
   readonly url: string
 }
 
-export type Response = {
-  readonly statusCode?: unknown
-}
-
 /*
- * Makes a generic request. It is a wrapper on top of request.js library that provides a promise instead of a callback.
+ * Makes a generic request using the built-in fetch API.
  *
- * @param {object} options - The request options as described over here https://github.com/request/request#requestoptions-callback
+ * @param {object} options - The request options
+ *
+ * @param {string} options.url - The URL to request
  *
  * @param {boolean} options.errorOnNon200Response If true will reject the promise with an error if the response statuscode is not 200.
  *
  * @return {Promise} promise - A promise that resolves to the responseBody or rejects to an error.
  */
-export function makeRequest(options: Options) {
-  const promise = new Promise(function (resolve, reject) {
-    request(options, function (err: unknown, response: Response, responseBody: string) {
-      if (err) {
-        reject(err)
-      }
-      if (options.errorOnNon200Response && response.statusCode !== 200) {
-        const msg = `StatusCode: "${response.statusCode}", ResponseBody: "${responseBody}."`
-        reject(new Error(msg))
-      }
-      let res = responseBody
-      try {
-        if (typeof responseBody.valueOf() === "string") {
-          res = parseContent(options.url, responseBody)
-        }
-      } catch (error) {
-        const msg = `An error occurred while parsing the file ${options.url}. The error is:\n ${util.inspect(error, { depth: null })}.`
-        const e = new Error(msg)
-        reject(e)
-      }
+export async function makeRequest(options: Options) {
+  const response = await fetch(options.url)
+  const responseBody = await response.text()
+
+  // Callers typically use `response.ok` which allows status in the range 200-299, but this code
+  // specifically allowed only response 200 when using `request`, so we preserve the same logic
+  // when using `fetch()`.
+  if (options.errorOnNon200Response && response.status !== 200) {
+    const msg = `StatusCode: "${response.status}", ResponseBody: "${responseBody}."`
+    throw new Error(msg)
+  }
 
-      resolve(res)
-    })
-  })
-  return promise
+  try {
+    return parseContent(options.url, responseBody)
+  } catch (error) {
+    const msg = `An error occurred while parsing the file ${options.url}. The error is:\n ${util.inspect(error, { depth: null })}.`
+    throw new Error(msg)
+  }
 }
 
 /*