diff --git a/package.json b/package.json
index 2519534eb..0cbbc59f0 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,6 @@
     "inversify": "6.1.4",
     "js-string-escape": "1.0.1",
     "md5": "2.3.0",
-    "mkdirp": "3.0.1",
     "multimatch": "5.0.0",
     "process": "0.11.10",
     "reflect-metadata": "0.2.2",
@@ -58,7 +57,6 @@
     "@types/js-beautify": "1.14.3",
     "@types/js-string-escape": "1.0.3",
     "@types/md5": "2.3.6",
-    "@types/mkdirp": "1.0.2",
     "@types/mocha": "10.0.10",
     "@types/multimatch": "4.0.0",
     "@types/node": "22.10.2",
diff --git a/src/cli/utils/ObfuscatedCodeFileUtils.ts b/src/cli/utils/ObfuscatedCodeFileUtils.ts
index da157c6a8..443f225d3 100644
--- a/src/cli/utils/ObfuscatedCodeFileUtils.ts
+++ b/src/cli/utils/ObfuscatedCodeFileUtils.ts
@@ -1,5 +1,4 @@
 import * as fs from 'fs';
-import * as mkdirp from 'mkdirp';
 import * as path from 'path';
 
 import { TInputCLIOptions } from '../../types/options/TInputCLIOptions';
@@ -135,7 +134,7 @@ export class ObfuscatedCodeFileUtils {
      * @param {string} data
      */
     public writeFile(outputPath: string, data: string): void {
-        mkdirp.sync(path.dirname(outputPath));
+        fs.mkdirSync(path.dirname(outputPath), { recursive: true });
 
         fs.writeFileSync(outputPath, data, {
             encoding: JavaScriptObfuscatorCLI.encoding
diff --git a/test/functional-tests/cli/JavaScriptObfuscatorCLI.spec.ts b/test/functional-tests/cli/JavaScriptObfuscatorCLI.spec.ts
index 7fe0a1a8d..541e33108 100644
--- a/test/functional-tests/cli/JavaScriptObfuscatorCLI.spec.ts
+++ b/test/functional-tests/cli/JavaScriptObfuscatorCLI.spec.ts
@@ -1,5 +1,4 @@
 import * as fs from 'fs';
-import * as mkdirp from 'mkdirp';
 import * as path from 'path';
 import * as rimraf from 'rimraf';
 import * as sinon from 'sinon';
@@ -32,7 +31,7 @@ describe('JavaScriptObfuscatorCLI', function (): void {
 
     describe('run', () => {
         before(async () => {
-            mkdirp.sync(outputDirName);
+            fs.mkdirSync(outputDirName, { recursive: true });
         });
 
         describe('Variant #1: obfuscation of single file', () => {
diff --git a/test/unit-tests/cli/utils/IdentifierNamesCacheFileUtils.spec.ts b/test/unit-tests/cli/utils/IdentifierNamesCacheFileUtils.spec.ts
index 6e2b47c03..08d7c49f7 100644
--- a/test/unit-tests/cli/utils/IdentifierNamesCacheFileUtils.spec.ts
+++ b/test/unit-tests/cli/utils/IdentifierNamesCacheFileUtils.spec.ts
@@ -1,5 +1,4 @@
 import * as fs from 'fs';
-import * as mkdirp from 'mkdirp';
 import * as path from 'path';
 import * as rimraf from 'rimraf';
 
@@ -24,7 +23,7 @@ describe('IdentifierNamesCacheFileUtils', () => {
     const tmpDirectoryPath: string = path.join('test', 'tmp');
 
     before(() => {
-        mkdirp.sync(tmpDirectoryPath);
+        fs.mkdirSync(tmpDirectoryPath, { recursive: true });
     });
 
     describe('readFile', () => {
diff --git a/test/unit-tests/cli/utils/ObfuscatedCodeFileUtils.spec.ts b/test/unit-tests/cli/utils/ObfuscatedCodeFileUtils.spec.ts
index ce87401ed..db0fac264 100644
--- a/test/unit-tests/cli/utils/ObfuscatedCodeFileUtils.spec.ts
+++ b/test/unit-tests/cli/utils/ObfuscatedCodeFileUtils.spec.ts
@@ -1,6 +1,5 @@
 import { assert } from 'chai';
 import * as fs from 'fs';
-import * as mkdirp from 'mkdirp';
 import * as path from 'path';
 import * as rimraf from 'rimraf';
 
@@ -11,7 +10,7 @@ describe('obfuscatedCodeFileUtils', () => {
 
     describe('getOutputCodePath', () => {
         before(() => {
-            mkdirp.sync(path.join(tmpDirectoryPath, 'input', 'nested'));
+            fs.mkdirSync(path.join(tmpDirectoryPath, 'input', 'nested'), { recursive: true });
             fs.writeFileSync(path.join(tmpDirectoryPath, 'input', 'nested', 'test-input.js'), 'var foo = 1;');
         });
 
@@ -206,7 +205,7 @@ describe('obfuscatedCodeFileUtils', () => {
             const baseDirnamePath: string = __dirname;
 
             before(() => {
-                mkdirp.sync(path.join(baseDirnamePath, tmpDirectoryPath, 'input', 'nested'));
+                fs.mkdirSync(path.join(baseDirnamePath, tmpDirectoryPath, 'input', 'nested'), { recursive: true });
                 fs.writeFileSync(
                     path.join(baseDirnamePath, tmpDirectoryPath, 'input', 'nested', 'test-input.js'),
                     'var foo = 1;'
diff --git a/test/unit-tests/cli/utils/SourceCodeFileUtils.spec.ts b/test/unit-tests/cli/utils/SourceCodeFileUtils.spec.ts
index f7dbb8437..ab66b8ad7 100644
--- a/test/unit-tests/cli/utils/SourceCodeFileUtils.spec.ts
+++ b/test/unit-tests/cli/utils/SourceCodeFileUtils.spec.ts
@@ -1,5 +1,4 @@
 import * as fs from 'fs';
-import * as mkdirp from 'mkdirp';
 import * as path from 'path';
 import * as rimraf from 'rimraf';
 
@@ -15,7 +14,7 @@ describe('SourceCodeFileUtils', () => {
     const tmpDirectoryPath: string = path.join('test', 'tmp');
 
     before(() => {
-        mkdirp.sync(tmpDirectoryPath);
+        fs.mkdirSync(tmpDirectoryPath, { recursive: true });
     });
 
     describe('readSourceCode', () => {
@@ -277,8 +276,8 @@ describe('SourceCodeFileUtils', () => {
                 let result: IFileData[];
 
                 before(() => {
-                    mkdirp.sync(parentDirectoryPath1);
-                    mkdirp.sync(parentDirectoryPath2);
+                    fs.mkdirSync(parentDirectoryPath1, { recursive: true });
+                    fs.mkdirSync(parentDirectoryPath2, { recursive: true });
                     fs.writeFileSync(filePath1, fileContent);
                     fs.writeFileSync(filePath2, fileContent);
                     fs.writeFileSync(filePath3, fileContent);
@@ -534,7 +533,7 @@ describe('SourceCodeFileUtils', () => {
                 let result: IFileData[];
 
                 before(() => {
-                    mkdirp.sync(tmpDirectoryWithDotPath);
+                    fs.mkdirSync(tmpDirectoryWithDotPath, { recursive: true });
                     fs.writeFileSync(filePath, fileContent);
                     result = new SourceCodeFileUtils(tmpDirectoryWithDotPath, {}).readSourceCode();
                 });
diff --git a/yarn.lock b/yarn.lock
index b65d31b1a..79f0d7111 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -693,13 +693,6 @@
   resolved "https://registry.npmjs.org/@types/minimatch/-/minimatch-3.0.3.tgz"
   integrity sha512-tHq6qdbT9U1IRSGf14CL0pUlULksvY9OZ+5eEgl1N7t+OA3tGvNpxJCzuKQlsNgCVwbAs670L1vcVQi8j9HjnA==
 
-"@types/mkdirp@1.0.2":
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/@types/mkdirp/-/mkdirp-1.0.2.tgz#8d0bad7aa793abe551860be1f7ae7f3198c16666"
-  integrity sha512-o0K1tSO0Dx5X6xlU5F1D6625FawhC3dU3iqr25lluNv/+/QIVH8RLNEiVokgIZo+mz+87w/3Mkg/VvQS+J51fQ==
-  dependencies:
-    "@types/node" "*"
-
 "@types/mocha@10.0.10":
   version "10.0.10"
   resolved "https://registry.yarnpkg.com/@types/mocha/-/mocha-10.0.10.tgz#91f62905e8d23cbd66225312f239454a23bebfa0"
@@ -3919,11 +3912,6 @@ minimist@^1.2.6:
   resolved "https://registry.yarnpkg.com/minipass/-/minipass-7.1.2.tgz#93a9626ce5e5e66bd4db86849e7515e92340a707"
   integrity sha512-qOOzS1cBTWYF4BH8fVePDBOO9iptMnGUEZwNc/cMWnTV2nVLZ7VoNWEPHkYczZA0pdoA7dl6e7FL659nX9S2aw==
 
-mkdirp@3.0.1:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-3.0.1.tgz#e44e4c5607fb279c168241713cc6e0fea9adcb50"
-  integrity sha512-+NsyUUAZDmo6YVHzL/stxSu3t9YS1iljliy3BSDrXJ/dkn1KYdmtZODGGjLcc9XLgVVpH4KshHB8XmZgMhaBXg==
-
 mocha@11.7.4:
   version "11.7.4"
   resolved "https://registry.yarnpkg.com/mocha/-/mocha-11.7.4.tgz#f161b17aeccb0762484b33bdb3f7ab9410ba5c82"