diff --git a/CHANGELOG.md b/CHANGELOG.md
index 637f2201..ab7bb02c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -31,6 +31,7 @@ planned for 2025-07-01
   - Switch Stylelint config to flat format and simplify Stylelint scripts
 - [workflow] Replace Node.js version v23 with v24 (#3770)
 - [refactor] Replace deprecated constants `fs.F_OK` and `fs.R_OK` (#3789)
+- [refactor] Replace `ansis` with built-in function `util.styleText`
 
 ### Fixed
 
diff --git a/js/check_config.js b/js/check_config.js
index 109deb93..628c3747 100644
--- a/js/check_config.js
+++ b/js/check_config.js
@@ -1,7 +1,7 @@
 const path = require("node:path");
 const fs = require("node:fs");
+const { styleText } = require("node:util");
 const Ajv = require("ajv");
-const colors = require("ansis");
 const globals = require("globals");
 const { Linter } = require("eslint");
 
@@ -61,7 +61,7 @@ function checkConfigFile () {
 	);
 
 	if (errors.length === 0) {
-		Log.info(colors.green("Your configuration file doesn't contain syntax errors :)"));
+		Log.info(styleText("green", "Your configuration file doesn't contain syntax errors :)"));
 		validateModulePositions(configFileName);
 	} else {
 		let errorMessage = "Your configuration file contains syntax errors :(";
@@ -112,7 +112,7 @@ function validateModulePositions (configFileName) {
 
 	const valid = validate(data);
 	if (valid) {
-		Log.info(colors.green("Your modules structure configuration doesn't contain errors :)"));
+		Log.info(styleText("green", "Your modules structure configuration doesn't contain errors :)"));
 	} else {
 		const module = validate.errors[0].instancePath.split("/")[2];
 		const position = validate.errors[0].instancePath.split("/")[3];
diff --git a/js/logger.js b/js/logger.js
index 0c254082..18709871 100644
--- a/js/logger.js
+++ b/js/logger.js
@@ -2,7 +2,7 @@
 (function (root, factory) {
 	if (typeof exports === "object") {
 		if (process.env.JEST_WORKER_ID === undefined) {
-			const colors = require("ansis");
+			const { styleText } = require("node:util");
 
 			// add timestamps in front of log messages
 			require("console-stamp")(console, {
@@ -12,13 +12,13 @@
 						const { method, defaultTokens } = arg;
 						let label = defaultTokens.label(arg);
 						if (method === "error") {
-							label = colors.red(label);
+							label = styleText("red", label);
 						} else if (method === "warn") {
-							label = colors.yellow(label);
+							label = styleText("yellow", label);
 						} else if (method === "debug") {
-							label = colors.bgBlue(label);
+							label = styleText("bgBlue", label);
 						} else if (method === "info") {
-							label = colors.blue(label);
+							label = styleText("blue", label);
 						}
 						return label;
 					},
@@ -26,11 +26,11 @@
 						const { method, defaultTokens } = arg;
 						let msg = defaultTokens.msg(arg);
 						if (method === "error") {
-							msg = colors.red(msg);
+							msg = styleText("red", msg);
 						} else if (method === "warn") {
-							msg = colors.yellow(msg);
+							msg = styleText("yellow", msg);
 						} else if (method === "info") {
-							msg = colors.blue(msg);
+							msg = styleText("blue", msg);
 						}
 						return msg;
 					}
diff --git a/package-lock.json b/package-lock.json
index bb93cf60..87ea69a0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,7 +11,6 @@
 			"license": "MIT",
 			"dependencies": {
 				"ajv": "^8.17.1",
-				"ansis": "^4.0.0",
 				"console-stamp": "^3.1.2",
 				"envsub": "^4.1.0",
 				"eslint": "^9.27.0",
diff --git a/package.json b/package.json
index 5a91f557..60c70397 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,6 @@
 	},
 	"dependencies": {
 		"ajv": "^8.17.1",
-		"ansis": "^4.0.0",
 		"console-stamp": "^3.1.2",
 		"envsub": "^4.1.0",
 		"eslint": "^9.27.0",