diff --git a/isArray.md b/isArray.md
new file mode 100644
index 0000000..d53cdce
--- /dev/null
+++ b/isArray.md
@@ -0,0 +1,75 @@
+# Deprecation isArray Fix
+
+## Identify the Deprecation Warning
+
+- The `DeprecationWarning: The util.isArray API is deprecated` occurs due to the usage of `util.isArray` in certain libraries.
+
+## Fork the Library on GitHub
+
+- Fork the affected library's repository to your GitHub account (e.g., `git@github.com:YourUsername/library.git`) to make necessary modifications.****
+
+## Clone and Modify the Fork
+
+- Clone the fork to your local machine and replace the deprecated `util.isArray` with `Array.isArray` in the relevant files.
+
+  Example change:
+
+  ```js
+  // Original code
+  var isArray = require('util').isArray;
+
+  // Modified code
+  var isArray = Array.isArray;
+  ```
+
+## Create a Patch for the Fix
+
+- Use `patch-package` to create a patch after modifying the code. This allows the fix to be reapplied after each package installation.
+
+### Install patch-package
+
+- Run the following command:
+
+  ```bash
+  npm install patch-package postinstall-postinstall
+  ```
+
+### Apply the Fix with patch-package
+
+- Create and apply the patch with:
+
+  ```bash
+  npx patch-package library
+  ```
+
+### Set postinstall Script
+
+- Add a postinstall script in `package.json` to ensure the patch is reapplied automatically:
+
+  ```json
+  "scripts": {
+    "postinstall": "patch-package"
+  }
+  ```
+
+## Install Dependencies
+
+- Run `npm install` to apply the patch and install the necessary dependencies.
+
+## Update Package Dependency
+
+- Modify your project's `package.json` to use the forked version of the library:
+
+  ```json
+  "dependencies": {
+    "connect-flash": "git+ssh://git@github.com:YourUsername/library.git"
+  }
+  ```
+
+## Install the Forked Version
+
+- Execute `npm install` to install the library from your forked repository.
+
+## Test the Fix
+
+- Ensure the deprecation warning is resolved and your application runs without any issues.
diff --git a/lib/flash.js b/lib/flash.js
index a278bc1..26de823 100644
--- a/lib/flash.js
+++ b/lib/flash.js
@@ -2,8 +2,7 @@
  * Module dependencies.
  */
 var format = require('util').format;
-var isArray = require('util').isArray;
-
+var isArray = Array.isArray;
 
 /**
  * Expose `flash()` function on requests.
@@ -14,7 +13,7 @@ var isArray = require('util').isArray;
 module.exports = function flash(options) {
   options = options || {};
   var safe = (options.unsafe === undefined) ? true : !options.unsafe;
-  
+
   return function(req, res, next) {
     if (req.flash && safe) { return next(); }
     req.flash = _flash;
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
new file mode 100644
index 0000000..cffeeaa
--- /dev/null
+++ b/pnpm-lock.yaml
@@ -0,0 +1,38 @@
+lockfileVersion: '9.0'
+
+settings:
+  autoInstallPeers: true
+  excludeLinksFromLockfile: false
+
+importers:
+
+  .:
+    devDependencies:
+      vows:
+        specifier: 0.6.x
+        version: 0.6.4
+
+packages:
+
+  diff@1.0.8:
+    resolution: {integrity: sha512-1zEb73vemXFpUmfh3fsta4YHz3lwebxXvaWmPbFv9apujQBWDnkrPDLXLQs1gZo4RCWMDsT89r0Pf/z8/02TGA==}
+    engines: {node: '>=0.3.1'}
+
+  eyes@0.1.8:
+    resolution: {integrity: sha512-GipyPsXO1anza0AOZdy69Im7hGFCNB7Y/NGjDlZGJ3GJJLtwNSb2vrzYrTYJRrRloVx7pl+bhUaTB8yiccPvFQ==}
+    engines: {node: '> 0.1.90'}
+
+  vows@0.6.4:
+    resolution: {integrity: sha512-CnnxhTuz08RHlAEagUSH6806IMxlOvYK5Nz5CyRGaqk9m2qVsP/0vtNBtU9rUS0TTrx3JYmPtHwIELaf+91t0Q==}
+    hasBin: true
+
+snapshots:
+
+  diff@1.0.8: {}
+
+  eyes@0.1.8: {}
+
+  vows@0.6.4:
+    dependencies:
+      diff: 1.0.8
+      eyes: 0.1.8