diff --git a/packages/react-styles/package.json b/packages/react-styles/package.json
index 930807c6dcd..b60aa596284 100644
--- a/packages/react-styles/package.json
+++ b/packages/react-styles/package.json
@@ -14,12 +14,12 @@
     "access": "public"
   },
   "scripts": {
-    "generate": "rimraf css && node scripts/writeClassMaps.js && node scripts/copyStyles.js",
+    "generate": "rimraf css && node scripts/writeClassMaps.mjs && node scripts/copyStyles.mjs",
     "clean": "rimraf dist css"
   },
   "devDependencies": {
     "@patternfly/patternfly": "5.4.0-prerelease.3",
-    "camel-case": "^3.0.0",
+    "change-case": "^5.4.4",
     "css": "^2.2.4",
     "fs-extra": "^11.2.0",
     "jsdom": "^15.2.1"
diff --git a/packages/react-styles/scripts/copyStyles.js b/packages/react-styles/scripts/copyStyles.js
deleted file mode 100644
index 2cc729195a2..00000000000
--- a/packages/react-styles/scripts/copyStyles.js
+++ /dev/null
@@ -1,7 +0,0 @@
-const { copySync } = require('fs-extra');
-const { resolve, dirname, join } = require('path');
-
-const toDir = resolve(__dirname, '../css');
-const fromDir = dirname(require.resolve('@patternfly/patternfly/package.json'));
-
-copySync(join(fromDir, 'assets/images'), join(toDir, 'assets/images'));
diff --git a/packages/react-styles/scripts/copyStyles.mjs b/packages/react-styles/scripts/copyStyles.mjs
new file mode 100644
index 00000000000..184a4a6bdc2
--- /dev/null
+++ b/packages/react-styles/scripts/copyStyles.mjs
@@ -0,0 +1,8 @@
+import { copySync } from 'fs-extra/esm';
+import path from 'node:path';
+import url from 'node:url';
+
+const toDir = path.resolve(import.meta.dirname, '../css');
+const fromDir = path.dirname(url.fileURLToPath(import.meta.resolve('@patternfly/patternfly/package.json')));
+
+copySync(path.join(fromDir, 'assets/images'), path.join(toDir, 'assets/images'));
diff --git a/packages/react-styles/scripts/generateClassMaps.js b/packages/react-styles/scripts/generateClassMaps.mjs
similarity index 80%
rename from packages/react-styles/scripts/generateClassMaps.js
rename to packages/react-styles/scripts/generateClassMaps.mjs
index 4a6377e051b..22912e1640f 100644
--- a/packages/react-styles/scripts/generateClassMaps.js
+++ b/packages/react-styles/scripts/generateClassMaps.mjs
@@ -1,7 +1,8 @@
-const path = require('path');
-const fs = require('fs-extra');
-const { glob } = require('glob');
-const camelcase = require('camel-case');
+import { camelCase } from 'change-case';
+import { glob } from 'glob';
+import fs from 'node:fs';
+import path from 'node:path';
+import url from 'node:url';
 
 /**
  * @param {string} cssString - CSS string
@@ -14,7 +15,7 @@ function getCSSClasses(cssString) {
  * @param {string} className - Class name
  */
 function formatClassName(className) {
-  return camelcase(className.replace(/pf-(v5-)?((c|l|m|u|is|has)-)?/g, ''));
+  return camelCase(className.replace(/pf-(v5-)?((c|l|m|u|is|has)-)?/g, ''));
 }
 
 /**
@@ -53,8 +54,8 @@ function getClassMaps(cssString) {
 /**
  * @returns {any} Map of file names to classMaps
  */
-function generateClassMaps() {
-  const pfStylesDir = path.dirname(require.resolve('@patternfly/patternfly/patternfly.css'));
+export function generateClassMaps() {
+  const pfStylesDir = path.dirname(url.fileURLToPath(import.meta.resolve('@patternfly/patternfly/patternfly.css')));
 
   const patternflyCSSFiles = glob.sync('**/*.css', {
     cwd: pfStylesDir,
@@ -73,7 +74,3 @@ function generateClassMaps() {
 
   return res;
 }
-
-module.exports = {
-  generateClassMaps
-};
diff --git a/packages/react-styles/scripts/writeClassMaps.js b/packages/react-styles/scripts/writeClassMaps.mjs
similarity index 52%
rename from packages/react-styles/scripts/writeClassMaps.js
rename to packages/react-styles/scripts/writeClassMaps.mjs
index ca919c3015a..253265c2ea9 100644
--- a/packages/react-styles/scripts/writeClassMaps.js
+++ b/packages/react-styles/scripts/writeClassMaps.mjs
@@ -1,34 +1,36 @@
-const { join, basename, resolve, relative, dirname } = require('path');
-const { outputFileSync, copyFileSync } = require('fs-extra');
-const { generateClassMaps } = require('./generateClassMaps');
+import { outputFileSync } from 'fs-extra/esm';
+import fs from 'node:fs';
+import path from 'node:path';
+import url from 'node:url';
+import { generateClassMaps } from './generateClassMaps.mjs';
 
-const outDir = resolve(__dirname, '../css');
+const outDir = path.resolve(import.meta.dirname, '../css');
 
 const writeCJSExport = (file, classMap) =>
   outputFileSync(
-    join(outDir, file.replace(/.css$/, '.js')),
+    path.join(outDir, file.replace(/.css$/, '.js')),
     `
 "use strict";
 exports.__esModule = true;
-require('./${basename(file, '.css.js')}');
+require('./${path.basename(file, '.css.js')}');
 exports.default = ${JSON.stringify(classMap, null, 2)};
 `.trim()
   );
 
 const writeESMExport = (file, classMap) =>
   outputFileSync(
-    join(outDir, file.replace(/.css$/, '.mjs')),
+    path.join(outDir, file.replace(/.css$/, '.mjs')),
     `
-import './${basename(file, '.css.js')}';
+import './${path.basename(file, '.css.js')}';
 export default ${JSON.stringify(classMap, null, 2)};
 `.trim()
   );
 
 const writeDTSExport = (file, classMap) =>
   outputFileSync(
-    join(outDir, file.replace(/.css$/, '.d.ts')),
+    path.join(outDir, file.replace(/.css$/, '.d.ts')),
     `
-import './${basename(file, '.css.js')}';
+import './${path.basename(file, '.css.js')}';
 declare const _default: ${JSON.stringify(classMap, null, 2)};
 export default _default;
 `.trim()
@@ -38,15 +40,15 @@ export default _default;
  * @param {any} classMaps Map of file names to classMaps
  */
 function writeClassMaps(classMaps) {
-  const pfStylesDir = dirname(require.resolve('@patternfly/patternfly/patternfly.css'));
+  const pfStylesDir = path.dirname(url.fileURLToPath(import.meta.resolve('@patternfly/patternfly/patternfly.css')));
 
   Object.entries(classMaps).forEach(([file, classMap]) => {
-    const outPath = file.includes(pfStylesDir) ? relative(pfStylesDir, file) : relative('src/css', file);
+    const outPath = file.includes(pfStylesDir) ? path.relative(pfStylesDir, file) : path.relative('src/css', file);
 
     writeCJSExport(outPath, classMap);
     writeDTSExport(outPath, classMap);
     writeESMExport(outPath, classMap);
-    copyFileSync(file, join(outDir, outPath));
+    fs.copyFileSync(file, path.join(outDir, outPath));
   });
 
   // eslint-disable-next-line no-console
diff --git a/yarn.lock b/yarn.lock
index 90cd151382d..18b665e2892 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3270,7 +3270,7 @@ __metadata:
   resolution: "@patternfly/react-styles@workspace:packages/react-styles"
   dependencies:
     "@patternfly/patternfly": "npm:5.4.0-prerelease.3"
-    camel-case: "npm:^3.0.0"
+    change-case: "npm:^5.4.4"
     css: "npm:^2.2.4"
     fs-extra: "npm:^11.2.0"
     jsdom: "npm:^15.2.1"
@@ -6002,11 +6002,11 @@ __metadata:
   linkType: hard
 
 "bare-stream@npm:^2.0.0":
-  version: 2.0.1
-  resolution: "bare-stream@npm:2.0.1"
+  version: 2.1.0
+  resolution: "bare-stream@npm:2.1.0"
   dependencies:
     streamx: "npm:^2.18.0"
-  checksum: 10c0/79185d1f4c0b299ce9e79023d73713ab41df518fab040285bad16deea42808cd2f90b792a48ba06fde419d56e0fbab4aa54b5ce5f8e9bc15acabee1832f72e80
+  checksum: 10c0/eede27114b209eb3b455a5c63f5926d17ffc28f28c5a61e502a5f9d92e0e1e8238f3ee7c9099fe07149e30d3223f6791b3704ff7d2d669f8dcd1fc13d41a9fc5
   languageName: node
   linkType: hard
 
@@ -6483,16 +6483,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"camel-case@npm:^3.0.0":
-  version: 3.0.0
-  resolution: "camel-case@npm:3.0.0"
-  dependencies:
-    no-case: "npm:^2.2.0"
-    upper-case: "npm:^1.1.1"
-  checksum: 10c0/491c6bbf986b9d8355e12cca6beb719b44c2fe96e8526c09958a1b4e0dbb081a82ea59c13b5a6ccf9158ce5979cbe56a8a10d7322bfeed2d84725c6b89d8f934
-  languageName: node
-  linkType: hard
-
 "camel-case@npm:^4.1.2":
   version: 4.1.2
   resolution: "camel-case@npm:4.1.2"
@@ -6649,6 +6639,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"change-case@npm:^5.4.4":
+  version: 5.4.4
+  resolution: "change-case@npm:5.4.4"
+  checksum: 10c0/2a9c2b9c9ad6ab2491105aaf506db1a9acaf543a18967798dcce20926c6a173aa63266cb6189f3086e3c14bf7ae1f8ea4f96ecc466fcd582310efa00372f3734
+  languageName: node
+  linkType: hard
+
 "char-regex@npm:^1.0.2":
   version: 1.0.2
   resolution: "char-regex@npm:1.0.2"
@@ -14350,13 +14347,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"lower-case@npm:^1.1.1":
-  version: 1.1.4
-  resolution: "lower-case@npm:1.1.4"
-  checksum: 10c0/2153ae5490d655a63addc8e7d2f848c6c94803b342ed2d177f75e8073e9fbb50a733d1432c82e1cb8425fa6eae14b2877bf5bbdcb93ab93bb982fb5c3962c57b
-  languageName: node
-  linkType: hard
-
 "lower-case@npm:^2.0.2":
   version: 2.0.2
   resolution: "lower-case@npm:2.0.2"
@@ -15339,15 +15329,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"no-case@npm:^2.2.0":
-  version: 2.3.2
-  resolution: "no-case@npm:2.3.2"
-  dependencies:
-    lower-case: "npm:^1.1.1"
-  checksum: 10c0/63f306e83c18efa0bb37f1c23a25baf4ccf5ebaec70b482fa04d4c5bf8bbb8bcc9a8fbcd818af828ab69f2b602153daf81ec26e448b2bda2d704b8d0c7eec8fa
-  languageName: node
-  linkType: hard
-
 "no-case@npm:^3.0.4":
   version: 3.0.4
   resolution: "no-case@npm:3.0.4"
@@ -21096,13 +21077,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"upper-case@npm:^1.1.1":
-  version: 1.1.3
-  resolution: "upper-case@npm:1.1.3"
-  checksum: 10c0/3e4d3a90519915bb591db84d72610392518806d8287b8f7541d87642d30388f42b2def1ed2f687e5792ee025e8f7e17d3a0dcbd5b3b59e306ceb1f3b8121ef54
-  languageName: node
-  linkType: hard
-
 "upper-case@npm:^2.0.2":
   version: 2.0.2
   resolution: "upper-case@npm:2.0.2"