diff --git a/lib/helper.ts b/lib/helper.ts
index 48fe375b..1dc564fa 100644
--- a/lib/helper.ts
+++ b/lib/helper.ts
@@ -17,10 +17,9 @@
 import { isReadable } from 'isstream';
 import { lookup } from 'mime-types';
 import { basename } from 'path';
+import { loadEsm } from 'load-esm';
 import logger from './logger';
 
-const FileType = require('file-type');
-
 export interface FileObject {
   value: NodeJS.ReadableStream | Buffer | string;
   options?: FileOptions;
@@ -76,7 +75,13 @@ export async function getContentType(inputData: NodeJS.ReadableStream | Buffer):
     contentType = { mime: mimeType || null };
   } else if (Buffer.isBuffer(inputData)) {
     // if the inputData is a Buffer
-    contentType = await FileType.fromBuffer(inputData);
+    try {
+      // Import a pure ESM package from a CommonJS TS project
+      const { fileTypeFromBuffer } = await loadEsm<typeof import('file-type')>('file-type');
+      contentType = await fileTypeFromBuffer(inputData);
+    } catch (error) {
+      logger.debug('Error importing module:', error);
+    }
   }
 
   return contentType ? contentType.mime : null;
diff --git a/package-lock.json b/package-lock.json
index 878ecdc6..73cb3390 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,10 +17,11 @@
         "debug": "^4.3.4",
         "dotenv": "^16.4.5",
         "extend": "3.0.2",
-        "file-type": "16.5.4",
+        "file-type": "^21.3.2",
         "form-data": "^4.0.4",
         "isstream": "0.1.2",
         "jsonwebtoken": "^9.0.3",
+        "load-esm": "^1.0.3",
         "mime-types": "2.1.35",
         "retry-axios": "^2.6.0",
         "tough-cookie": "^4.1.3"
@@ -704,6 +705,16 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/@borewit/text-codec": {
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/@borewit/text-codec/-/text-codec-0.2.2.tgz",
+      "integrity": "sha512-DDaRehssg1aNrH4+2hnj1B7vnUGEjU6OIlyRdkMd0aUdIUvKXrJfXsy8LVtXAy7DRvYVluWbMspsRhz2lcW0mQ==",
+      "license": "MIT",
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/Borewit"
+      }
+    },
     "node_modules/@colors/colors": {
       "version": "1.5.0",
       "resolved": "https://registry.npmjs.org/@colors/colors/-/colors-1.5.0.tgz",
@@ -2763,6 +2774,23 @@
         "@sinonjs/commons": "^3.0.0"
       }
     },
+    "node_modules/@tokenizer/inflate": {
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/@tokenizer/inflate/-/inflate-0.4.1.tgz",
+      "integrity": "sha512-2mAv+8pkG6GIZiF1kNg1jAjh27IDxEPKwdGul3snfztFerfPGI1LjDezZp3i7BElXompqEtPmoPx6c2wgtWsOA==",
+      "license": "MIT",
+      "dependencies": {
+        "debug": "^4.4.3",
+        "token-types": "^6.1.1"
+      },
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/Borewit"
+      }
+    },
     "node_modules/@tokenizer/token": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/@tokenizer/token/-/token-0.3.0.tgz",
@@ -3313,18 +3341,6 @@
         "url": "https://opencollective.com/typescript-eslint"
       }
     },
-    "node_modules/abort-controller": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/abort-controller/-/abort-controller-3.0.0.tgz",
-      "integrity": "sha512-h8lQ8tacZYnR3vNQTgibj+tODHI5/+l06Au2Pcriv/Gmet0eaj4TwWH41sO9wnHDiQsEj19q0drzdWdeAHtweg==",
-      "license": "MIT",
-      "dependencies": {
-        "event-target-shim": "^5.0.0"
-      },
-      "engines": {
-        "node": ">=6.5"
-      }
-    },
     "node_modules/acorn": {
       "version": "7.4.1",
       "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.4.1.tgz",
@@ -3942,26 +3958,6 @@
       "dev": true,
       "license": "MIT"
     },
-    "node_modules/base64-js": {
-      "version": "1.5.1",
-      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
-      "integrity": "sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA==",
-      "funding": [
-        {
-          "type": "github",
-          "url": "https://github.com/sponsors/feross"
-        },
-        {
-          "type": "patreon",
-          "url": "https://www.patreon.com/feross"
-        },
-        {
-          "type": "consulting",
-          "url": "https://feross.org/support"
-        }
-      ],
-      "license": "MIT"
-    },
     "node_modules/before-after-hook": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/before-after-hook/-/before-after-hook-4.0.0.tgz",
@@ -4043,30 +4039,6 @@
         "node-int64": "^0.4.0"
       }
     },
-    "node_modules/buffer": {
-      "version": "6.0.3",
-      "resolved": "https://registry.npmjs.org/buffer/-/buffer-6.0.3.tgz",
-      "integrity": "sha512-FTiCpNxtwiZZHEZbcbTIcZjERVICn9yq/pDFkTl95/AxzD1naBctN7YO68riM/gLSDY7sdrMby8hofADYuuqOA==",
-      "funding": [
-        {
-          "type": "github",
-          "url": "https://github.com/sponsors/feross"
-        },
-        {
-          "type": "patreon",
-          "url": "https://www.patreon.com/feross"
-        },
-        {
-          "type": "consulting",
-          "url": "https://feross.org/support"
-        }
-      ],
-      "license": "MIT",
-      "dependencies": {
-        "base64-js": "^1.3.1",
-        "ieee754": "^1.2.1"
-      }
-    },
     "node_modules/buffer-equal-constant-time": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/buffer-equal-constant-time/-/buffer-equal-constant-time-1.0.1.tgz",
@@ -4689,9 +4661,9 @@
       }
     },
     "node_modules/debug": {
-      "version": "4.4.1",
-      "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.1.tgz",
-      "integrity": "sha512-KcKCqiftBJcZr++7ykoDIEwSa3XWowTfNPo92BYxjXiyYEVrUQh2aLyhxBCwww+heortUFxEJYcRzosstTEBYQ==",
+      "version": "4.4.3",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.3.tgz",
+      "integrity": "sha512-RGwwWnwQvkVfavKVt22FGLw+xYSdzARwm0ru6DhTVA3umU5hZc28V3kO4stgYryrTlLpuvgI9GiijltAjNbcqA==",
       "license": "MIT",
       "dependencies": {
         "ms": "^2.1.3"
@@ -6265,24 +6237,6 @@
         "node": ">=0.10.0"
       }
     },
-    "node_modules/event-target-shim": {
-      "version": "5.0.1",
-      "resolved": "https://registry.npmjs.org/event-target-shim/-/event-target-shim-5.0.1.tgz",
-      "integrity": "sha512-i/2XbnSz/uxRCU6+NdVJgKWDTM427+MqYbkQzD321DuCQJUqOuJKIA0IM2+W2xtYHdKOmZ4dR6fExsd4SXL+WQ==",
-      "license": "MIT",
-      "engines": {
-        "node": ">=6"
-      }
-    },
-    "node_modules/events": {
-      "version": "3.3.0",
-      "resolved": "https://registry.npmjs.org/events/-/events-3.3.0.tgz",
-      "integrity": "sha512-mQw+2fkQbALzQ7V0MY0IqdnXNOeTtP4r0lN9z7AAawCXgqea7bDii20AYrIBrFd/Hx0M2Ocz6S111CaFkUcb0Q==",
-      "license": "MIT",
-      "engines": {
-        "node": ">=0.8.x"
-      }
-    },
     "node_modules/execa": {
       "version": "5.1.1",
       "resolved": "https://registry.npmjs.org/execa/-/execa-5.1.1.tgz",
@@ -6451,17 +6405,18 @@
       }
     },
     "node_modules/file-type": {
-      "version": "16.5.4",
-      "resolved": "https://registry.npmjs.org/file-type/-/file-type-16.5.4.tgz",
-      "integrity": "sha512-/yFHK0aGjFEgDJjEKP0pWCplsPFPhwyfwevf/pVxiN0tmE4L9LmwWxWukdJSHdoCli4VgQLehjJtwQBnqmsKcw==",
+      "version": "21.3.2",
+      "resolved": "https://registry.npmjs.org/file-type/-/file-type-21.3.2.tgz",
+      "integrity": "sha512-DLkUvGwep3poOV2wpzbHCOnSKGk1LzyXTv+aHFgN2VFl96wnp8YA9YjO2qPzg5PuL8q/SW9Pdi6WTkYOIh995w==",
       "license": "MIT",
       "dependencies": {
-        "readable-web-to-node-stream": "^3.0.0",
-        "strtok3": "^6.2.4",
-        "token-types": "^4.1.1"
+        "@tokenizer/inflate": "^0.4.1",
+        "strtok3": "^10.3.4",
+        "token-types": "^6.1.1",
+        "uint8array-extras": "^1.4.0"
       },
       "engines": {
-        "node": ">=10"
+        "node": ">=20"
       },
       "funding": {
         "url": "https://github.com/sindresorhus/file-type?sponsor=1"
@@ -9057,6 +9012,25 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/load-esm": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/load-esm/-/load-esm-1.0.3.tgz",
+      "integrity": "sha512-v5xlu8eHD1+6r8EHTg6hfmO97LN8ugKtiXcy5e6oN72iD2r6u0RPfLl6fxM+7Wnh2ZRq15o0russMst44WauPA==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/Borewit"
+        },
+        {
+          "type": "buymeacoffee",
+          "url": "https://buymeacoffee.com/borewit"
+        }
+      ],
+      "license": "MIT",
+      "engines": {
+        "node": ">=13.2.0"
+      }
+    },
     "node_modules/load-json-file": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-4.0.0.tgz",
@@ -13007,19 +12981,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/peek-readable": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/peek-readable/-/peek-readable-4.1.0.tgz",
-      "integrity": "sha512-ZI3LnwUv5nOGbQzD9c2iDG6toheuXSZP5esSHBjopsXH4dg19soufvpUGA3uohi5anFtGb2lhAVdHzH6R/Evvg==",
-      "license": "MIT",
-      "engines": {
-        "node": ">=8"
-      },
-      "funding": {
-        "type": "github",
-        "url": "https://github.com/sponsors/Borewit"
-      }
-    },
     "node_modules/picocolors": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.1.1.tgz",
@@ -13319,15 +13280,6 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
-    "node_modules/process": {
-      "version": "0.11.10",
-      "resolved": "https://registry.npmjs.org/process/-/process-0.11.10.tgz",
-      "integrity": "sha512-cdGef/drWFoydD1JsMzuFf8100nZl+GT+yacc2bEced5f9Rjk4z+WtFUTBu9PhOi9j/jfmBPu0mMEY4wIdAF8A==",
-      "license": "MIT",
-      "engines": {
-        "node": ">= 0.6.0"
-      }
-    },
     "node_modules/process-nextick-args": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.1.tgz",
@@ -13833,38 +13785,6 @@
         "node": ">=4"
       }
     },
-    "node_modules/readable-stream": {
-      "version": "4.7.0",
-      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-4.7.0.tgz",
-      "integrity": "sha512-oIGGmcpTLwPga8Bn6/Z75SVaH1z5dUut2ibSyAMVhmUggWpmDn2dapB0n7f8nwaSiRtepAsfJyfXIO5DCVAODg==",
-      "license": "MIT",
-      "dependencies": {
-        "abort-controller": "^3.0.0",
-        "buffer": "^6.0.3",
-        "events": "^3.3.0",
-        "process": "^0.11.10",
-        "string_decoder": "^1.3.0"
-      },
-      "engines": {
-        "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
-      }
-    },
-    "node_modules/readable-web-to-node-stream": {
-      "version": "3.0.4",
-      "resolved": "https://registry.npmjs.org/readable-web-to-node-stream/-/readable-web-to-node-stream-3.0.4.tgz",
-      "integrity": "sha512-9nX56alTf5bwXQ3ZDipHJhusu9NTQJ/CVPtb/XHAJCXihZeitfJvIRS4GqQ/mfIoOE3IelHMrpayVrosdHBuLw==",
-      "license": "MIT",
-      "dependencies": {
-        "readable-stream": "^4.7.0"
-      },
-      "engines": {
-        "node": ">=8"
-      },
-      "funding": {
-        "type": "github",
-        "url": "https://github.com/sponsors/Borewit"
-      }
-    },
     "node_modules/redent": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/redent/-/redent-3.0.0.tgz",
@@ -15128,6 +15048,7 @@
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
       "integrity": "sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "safe-buffer": "~5.2.0"
@@ -15384,16 +15305,15 @@
       }
     },
     "node_modules/strtok3": {
-      "version": "6.3.0",
-      "resolved": "https://registry.npmjs.org/strtok3/-/strtok3-6.3.0.tgz",
-      "integrity": "sha512-fZtbhtvI9I48xDSywd/somNqgUHl2L2cstmXCCif0itOf96jeW18MBSyrLuNicYQVkvpOxkZtkzujiTJ9LW5Jw==",
+      "version": "10.3.4",
+      "resolved": "https://registry.npmjs.org/strtok3/-/strtok3-10.3.4.tgz",
+      "integrity": "sha512-KIy5nylvC5le1OdaaoCJ07L+8iQzJHGH6pWDuzS+d07Cu7n1MZ2x26P8ZKIWfbK02+XIL8Mp4RkWeqdUCrDMfg==",
       "license": "MIT",
       "dependencies": {
-        "@tokenizer/token": "^0.3.0",
-        "peek-readable": "^4.1.0"
+        "@tokenizer/token": "^0.3.0"
       },
       "engines": {
-        "node": ">=10"
+        "node": ">=18"
       },
       "funding": {
         "type": "github",
@@ -15672,16 +15592,17 @@
       }
     },
     "node_modules/token-types": {
-      "version": "4.2.1",
-      "resolved": "https://registry.npmjs.org/token-types/-/token-types-4.2.1.tgz",
-      "integrity": "sha512-6udB24Q737UD/SDsKAHI9FCRP7Bqc9D/MQUV02ORQg5iskjtLJlZJNdN4kKtcdtwCeWIwIHDGaUsTsCCAa8sFQ==",
+      "version": "6.1.2",
+      "resolved": "https://registry.npmjs.org/token-types/-/token-types-6.1.2.tgz",
+      "integrity": "sha512-dRXchy+C0IgK8WPC6xvCHFRIWYUbqqdEIKPaKo/AcTUNzwLTK6AH7RjdLWsEZcAN/TBdtfUw3PYEgPr5VPr6ww==",
       "license": "MIT",
       "dependencies": {
+        "@borewit/text-codec": "^0.2.1",
         "@tokenizer/token": "^0.3.0",
         "ieee754": "^1.2.1"
       },
       "engines": {
-        "node": ">=10"
+        "node": ">=14.16"
       },
       "funding": {
         "type": "github",
@@ -15936,6 +15857,18 @@
         "node": ">=0.8.0"
       }
     },
+    "node_modules/uint8array-extras": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/uint8array-extras/-/uint8array-extras-1.5.0.tgz",
+      "integrity": "sha512-rvKSBiC5zqCCiDZ9kAOszZcDvdAHwwIKJG33Ykj43OKcWsnmcBRL09YTU4nOeHZ8Y2a7l1MgTd08SBe9A8Qj6A==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/unbox-primitive": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/unbox-primitive/-/unbox-primitive-1.1.0.tgz",
diff --git a/package.json b/package.json
index 0c8ae188..6fa1967f 100644
--- a/package.json
+++ b/package.json
@@ -73,10 +73,11 @@
     "debug": "^4.3.4",
     "dotenv": "^16.4.5",
     "extend": "3.0.2",
-    "file-type": "16.5.4",
+    "file-type": "^21.3.2",
     "form-data": "^4.0.4",
     "isstream": "0.1.2",
     "jsonwebtoken": "^9.0.3",
+    "load-esm": "^1.0.3",
     "mime-types": "2.1.35",
     "retry-axios": "^2.6.0",
     "tough-cookie": "^4.1.3"
@@ -100,8 +101,8 @@
     "lint": "npm run eslint:check",
     "fix": "npm run eslint:fix",
     "jest": "jest",
-    "test": "jest test/unit/",
-    "test-travis": "jest --runInBand test/unit/",
+    "test": "NODE_OPTIONS=--experimental-vm-modules jest test/unit/",
+    "test-travis": "NODE_OPTIONS=--experimental-vm-modules jest --runInBand test/unit/",
     "build:clean": "rimraf dist",
     "build": "npm-run-all build:code build:doc copy:pkg",
     "build:code": "npm-run-all -p build:umd build:es",
diff --git a/test/unit/get-content-type.test.js b/test/unit/get-content-type.test.js
index aed976af..54004648 100644
--- a/test/unit/get-content-type.test.js
+++ b/test/unit/get-content-type.test.js
@@ -34,7 +34,7 @@ describe('getContentType', () => {
 
   it('should read content type from buffer', async () => {
     const bufferFile = fs.readFileSync(filepath);
-    expect(await getContentType(bufferFile)).toBe('audio/vnd.wave');
+    expect(await getContentType(bufferFile)).toBe('audio/wav');
   });
 
   it('should not read content type from a string', async () => {