diff --git a/CHANGELOG.md b/CHANGELOG.md
index f418e1e4..ab2210aa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+### [7.2.4](https://github.com/webpack-contrib/postcss-loader/compare/v7.2.3...v7.2.4) (2023-04-04)
+
+
+### Bug Fixes
+
+* memory leak ([#642](https://github.com/webpack-contrib/postcss-loader/issues/642)) ([7ab3b59](https://github.com/webpack-contrib/postcss-loader/commit/7ab3b591dd108732aeab1178d452763936105eae))
+
 ### [7.2.3](https://github.com/webpack-contrib/postcss-loader/compare/v7.2.2...v7.2.3) (2023-04-03)
 
 
diff --git a/package-lock.json b/package-lock.json
index 0b9787d2..d1f0ea0a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "postcss-loader",
-  "version": "7.2.3",
+  "version": "7.2.4",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index db6dc759..49f1d833 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "postcss-loader",
-  "version": "7.2.3",
+  "version": "7.2.4",
   "description": "PostCSS loader for webpack",
   "license": "MIT",
   "repository": "webpack-contrib/postcss-loader",
diff --git a/src/utils.js b/src/utils.js
index af6aa804..20d00ef2 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -34,6 +34,8 @@ function exec(code, loaderContext) {
   return module.exports;
 }
 
+let tsLoader;
+
 async function loadConfig(loaderContext, config, postcssOptions) {
   const searchPath =
     typeof config === "string"
@@ -166,13 +168,16 @@ async function loadConfig(loaderContext, config, postcssOptions) {
   };
 
   if (isTsNodeInstalled) {
-    // eslint-disable-next-line global-require
-    const { TypeScriptLoader } = require("cosmiconfig-typescript-loader");
-    const loader = TypeScriptLoader();
+    if (!tsLoader) {
+      // eslint-disable-next-line global-require
+      const { TypeScriptLoader } = require("cosmiconfig-typescript-loader");
+
+      tsLoader = TypeScriptLoader();
+    }
 
-    loaders[".cts"] = loader;
-    loaders[".mts"] = loader;
-    loaders[".ts"] = loader;
+    loaders[".cts"] = tsLoader;
+    loaders[".mts"] = tsLoader;
+    loaders[".ts"] = tsLoader;
   }
 
   const explorer = cosmiconfig(moduleName, {